Home / 103,605,893.74-142,972,385.16-57,195,151.12

Finding the Fourth Proportional to 103,605,893.74, 142,972,385.16 and 57,195,151.12

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Solution

The fourth proportional to 103,605,893.74, 142,972,385.16 and 57,195,151.12 is: 78,927,239.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,605,893.74 : 142,972,385.16 = 57,195,151.12 : x
  2. Step 2: Convert to fraction form
    103,605,893.74/142,972,385.16 = 57,195,151.12/x
  3. Step 3: Cross multiply
    103,605,893.74x = 142,972,385.16 × 57,195,151.12
  4. Step 4: Simplify right side
    103,605,893.74x = 8,177,327,175,213,045
  5. Step 5: Solve for x
    x = 8,177,327,175,213,045/103,605,893.74
  6. Step 6: Final answer
    x = 78,927,239.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.