Home / 103,559,593-142,915,664.64-56,519,235.04

Finding the Fourth Proportional to 103,559,593, 142,915,664.64 and 56,519,235.04

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Solution

The fourth proportional to 103,559,593, 142,915,664.64 and 56,519,235.04 is: 77,998,414.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,559,593 : 142,915,664.64 = 56,519,235.04 : x
  2. Step 2: Convert to fraction form
    103,559,593/142,915,664.64 = 56,519,235.04/x
  3. Step 3: Cross multiply
    103,559,593x = 142,915,664.64 × 56,519,235.04
  4. Step 4: Simplify right side
    103,559,593x = 8,077,484,040,685,976
  5. Step 5: Solve for x
    x = 8,077,484,040,685,976/103,559,593
  6. Step 6: Final answer
    x = 77,998,414.31

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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.