Home / 68,830,047,991.80-103,245,071,987.70-40,866,898,030.20

Finding the Fourth Proportional to 68,830,047,991.80, 103,245,071,987.70 and 40,866,898,030.20

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Solution

The fourth proportional to 68,830,047,991.80, 103,245,071,987.70 and 40,866,898,030.20 is: 61,300,347,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,830,047,991.80 : 103,245,071,987.70 = 40,866,898,030.20 : x
  2. Step 2: Convert to fraction form
    68,830,047,991.80/103,245,071,987.70 = 40,866,898,030.20/x
  3. Step 3: Cross multiply
    68,830,047,991.80x = 103,245,071,987.70 × 40,866,898,030.20
  4. Step 4: Simplify right side
    68,830,047,991.80x = 4,219,305,829,041,993,940,992
  5. Step 5: Solve for x
    x = 4,219,305,829,041,993,940,992/68,830,047,991.80
  6. Step 6: Final answer
    x = 61,300,347,045.30

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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.