Home / 103,373,594.55-142,656,517.08-56,965,509.18

Finding the Fourth Proportional to 103,373,594.55, 142,656,517.08 and 56,965,509.18

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Solution

The fourth proportional to 103,373,594.55, 142,656,517.08 and 56,965,509.18 is: 78,612,929.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,373,594.55 : 142,656,517.08 = 56,965,509.18 : x
  2. Step 2: Convert to fraction form
    103,373,594.55/142,656,517.08 = 56,965,509.18/x
  3. Step 3: Cross multiply
    103,373,594.55x = 142,656,517.08 × 56,965,509.18
  4. Step 4: Simplify right side
    103,373,594.55x = 8,126,501,133,307,567
  5. Step 5: Solve for x
    x = 8,126,501,133,307,567/103,373,594.55
  6. Step 6: Final answer
    x = 78,612,929.82

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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.