Home / 65,412,356.27-90,264,983.69-36,042,045.21

Finding the Fourth Proportional to 65,412,356.27, 90,264,983.69 and 36,042,045.21

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Solution

The fourth proportional to 65,412,356.27, 90,264,983.69 and 36,042,045.21 is: 49,735,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,412,356.27 : 90,264,983.69 = 36,042,045.21 : x
  2. Step 2: Convert to fraction form
    65,412,356.27/90,264,983.69 = 36,042,045.21/x
  3. Step 3: Cross multiply
    65,412,356.27x = 90,264,983.69 × 36,042,045.21
  4. Step 4: Simplify right side
    65,412,356.27x = 3,253,334,623,124,997.50
  5. Step 5: Solve for x
    x = 3,253,334,623,124,997.50/65,412,356.27
  6. Step 6: Final answer
    x = 49,735,780.96

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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.