Home / 65,406,988.31-90,263,689.46-37,534,798.25

Finding the Fourth Proportional to 65,406,988.31, 90,263,689.46 and 37,534,798.25

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Solution

The fourth proportional to 65,406,988.31, 90,263,689.46 and 37,534,798.25 is: 51,799,195.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,406,988.31 : 90,263,689.46 = 37,534,798.25 : x
  2. Step 2: Convert to fraction form
    65,406,988.31/90,263,689.46 = 37,534,798.25/x
  3. Step 3: Cross multiply
    65,406,988.31x = 90,263,689.46 × 37,534,798.25
  4. Step 4: Simplify right side
    65,406,988.31x = 3,388,029,372,873,910
  5. Step 5: Solve for x
    x = 3,388,029,372,873,910/65,406,988.31
  6. Step 6: Final answer
    x = 51,799,195.48

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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.