Home / 78,593,110.89-117,337,060.65-60,052,020.15

Finding the Fourth Proportional to 78,593,110.89, 117,337,060.65 and 60,052,020.15

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Solution

The fourth proportional to 78,593,110.89, 117,337,060.65 and 60,052,020.15 is: 89,655,791.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,593,110.89 : 117,337,060.65 = 60,052,020.15 : x
  2. Step 2: Convert to fraction form
    78,593,110.89/117,337,060.65 = 60,052,020.15/x
  3. Step 3: Cross multiply
    78,593,110.89x = 117,337,060.65 × 60,052,020.15
  4. Step 4: Simplify right side
    78,593,110.89x = 7,046,327,530,495,572
  5. Step 5: Solve for x
    x = 7,046,327,530,495,572/78,593,110.89
  6. Step 6: Final answer
    x = 89,655,791.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.