Home / 65,412,356.64-90,264,984.21-36,042,045.60

Finding the Fourth Proportional to 65,412,356.64, 90,264,984.21 and 36,042,045.60

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Solution

The fourth proportional to 65,412,356.64, 90,264,984.21 and 36,042,045.60 is: 49,735,781.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,412,356.64 : 90,264,984.21 = 36,042,045.60 : x
  2. Step 2: Convert to fraction form
    65,412,356.64/90,264,984.21 = 36,042,045.60/x
  3. Step 3: Cross multiply
    65,412,356.64x = 90,264,984.21 × 36,042,045.60
  4. Step 4: Simplify right side
    65,412,356.64x = 3,253,334,676,980,100
  5. Step 5: Solve for x
    x = 3,253,334,676,980,100/65,412,356.64
  6. Step 6: Final answer
    x = 49,735,781.50

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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.