Home / 65,937,515.94-90,981,740.45-38,050,052.40

Finding the Fourth Proportional to 65,937,515.94, 90,981,740.45 and 38,050,052.40

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Solution

The fourth proportional to 65,937,515.94, 90,981,740.45 and 38,050,052.40 is: 52,502,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,937,515.94 : 90,981,740.45 = 38,050,052.40 : x
  2. Step 2: Convert to fraction form
    65,937,515.94/90,981,740.45 = 38,050,052.40/x
  3. Step 3: Cross multiply
    65,937,515.94x = 90,981,740.45 × 38,050,052.40
  4. Step 4: Simplify right side
    65,937,515.94x = 3,461,859,991,375,449
  5. Step 5: Solve for x
    x = 3,461,859,991,375,449/65,937,515.94
  6. Step 6: Final answer
    x = 52,502,129.36

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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.