Home / 72,060,903.90-108,124,294.10-39,222,278.78

Finding the Fourth Proportional to 72,060,903.90, 108,124,294.10 and 39,222,278.78

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Solution

The fourth proportional to 72,060,903.90, 108,124,294.10 and 39,222,278.78 is: 58,851,346.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,060,903.90 : 108,124,294.10 = 39,222,278.78 : x
  2. Step 2: Convert to fraction form
    72,060,903.90/108,124,294.10 = 39,222,278.78/x
  3. Step 3: Cross multiply
    72,060,903.90x = 108,124,294.10 × 39,222,278.78
  4. Step 4: Simplify right side
    72,060,903.90x = 4,240,881,205,344,176
  5. Step 5: Solve for x
    x = 4,240,881,205,344,176/72,060,903.90
  6. Step 6: Final answer
    x = 58,851,346.23

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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.