Home / 145,786,350.60-218,931,468.30-77,761,902.60

Finding the Fourth Proportional to 145,786,350.60, 218,931,468.30 and 77,761,902.60

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Solution

The fourth proportional to 145,786,350.60, 218,931,468.30 and 77,761,902.60 is: 116,777,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,786,350.60 : 218,931,468.30 = 77,761,902.60 : x
  2. Step 2: Convert to fraction form
    145,786,350.60/218,931,468.30 = 77,761,902.60/x
  3. Step 3: Cross multiply
    145,786,350.60x = 218,931,468.30 × 77,761,902.60
  4. Step 4: Simplify right side
    145,786,350.60x = 17,024,527,514,019,588
  5. Step 5: Solve for x
    x = 17,024,527,514,019,588/145,786,350.60
  6. Step 6: Final answer
    x = 116,777,239.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.