Home / 68,678,130,340.80-103,017,195,511.20-57,658,169,764.80

Finding the Fourth Proportional to 68,678,130,340.80, 103,017,195,511.20 and 57,658,169,764.80

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Solution

The fourth proportional to 68,678,130,340.80, 103,017,195,511.20 and 57,658,169,764.80 is: 86,487,254,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,678,130,340.80 : 103,017,195,511.20 = 57,658,169,764.80 : x
  2. Step 2: Convert to fraction form
    68,678,130,340.80/103,017,195,511.20 = 57,658,169,764.80/x
  3. Step 3: Cross multiply
    68,678,130,340.80x = 103,017,195,511.20 × 57,658,169,764.80
  4. Step 4: Simplify right side
    68,678,130,340.80x = 5,939,782,947,478,362,390,528
  5. Step 5: Solve for x
    x = 5,939,782,947,478,362,390,528/68,678,130,340.80
  6. Step 6: Final answer
    x = 86,487,254,647.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.