Home / 56,464,047.20-84,696,070.80-42,115,140.20

Finding the Fourth Proportional to 56,464,047.20, 84,696,070.80 and 42,115,140.20

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Solution

The fourth proportional to 56,464,047.20, 84,696,070.80 and 42,115,140.20 is: 63,172,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,464,047.20 : 84,696,070.80 = 42,115,140.20 : x
  2. Step 2: Convert to fraction form
    56,464,047.20/84,696,070.80 = 42,115,140.20/x
  3. Step 3: Cross multiply
    56,464,047.20x = 84,696,070.80 × 42,115,140.20
  4. Step 4: Simplify right side
    56,464,047.20x = 3,566,986,896,131,126.50
  5. Step 5: Solve for x
    x = 3,566,986,896,131,126.50/56,464,047.20
  6. Step 6: Final answer
    x = 63,172,710.30

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Similar ratio
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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.