Home / 103,559,506-142,915,548.60-56,519,147.92

Finding the Fourth Proportional to 103,559,506, 142,915,548.60 and 56,519,147.92

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Solution

The fourth proportional to 103,559,506, 142,915,548.60 and 56,519,147.92 is: 77,998,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,559,506 : 142,915,548.60 = 56,519,147.92 : x
  2. Step 2: Convert to fraction form
    103,559,506/142,915,548.60 = 56,519,147.92/x
  3. Step 3: Cross multiply
    103,559,506x = 142,915,548.60 × 56,519,147.92
  4. Step 4: Simplify right side
    103,559,506x = 8,077,465,031,391,349
  5. Step 5: Solve for x
    x = 8,077,465,031,391,349/103,559,506
  6. Step 6: Final answer
    x = 77,998,296.28

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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.