Home / 65,754,072.16-90,666,363.12-49,181,084.44

Finding the Fourth Proportional to 65,754,072.16, 90,666,363.12 and 49,181,084.44

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Solution

The fourth proportional to 65,754,072.16, 90,666,363.12 and 49,181,084.44 is: 67,814,356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,754,072.16 : 90,666,363.12 = 49,181,084.44 : x
  2. Step 2: Convert to fraction form
    65,754,072.16/90,666,363.12 = 49,181,084.44/x
  3. Step 3: Cross multiply
    65,754,072.16x = 90,666,363.12 × 49,181,084.44
  4. Step 4: Simplify right side
    65,754,072.16x = 4,459,070,060,472,422
  5. Step 5: Solve for x
    x = 4,459,070,060,472,422/65,754,072.16
  6. Step 6: Final answer
    x = 67,814,356.04

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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.