Home / 65,937,507.69-90,981,729.07-38,050,044.15

Finding the Fourth Proportional to 65,937,507.69, 90,981,729.07 and 38,050,044.15

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Solution

The fourth proportional to 65,937,507.69, 90,981,729.07 and 38,050,044.15 is: 52,502,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,937,507.69 : 90,981,729.07 = 38,050,044.15 : x
  2. Step 2: Convert to fraction form
    65,937,507.69/90,981,729.07 = 38,050,044.15/x
  3. Step 3: Cross multiply
    65,937,507.69x = 90,981,729.07 × 38,050,044.15
  4. Step 4: Simplify right side
    65,937,507.69x = 3,461,858,807,861,713
  5. Step 5: Solve for x
    x = 3,461,858,807,861,713/65,937,507.69
  6. Step 6: Final answer
    x = 52,502,117.98

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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.