Home / 177,957,614.40-266,936,421.60-75,724,987.20

Finding the Fourth Proportional to 177,957,614.40, 266,936,421.60 and 75,724,987.20

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Solution

The fourth proportional to 177,957,614.40, 266,936,421.60 and 75,724,987.20 is: 113,587,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,957,614.40 : 266,936,421.60 = 75,724,987.20 : x
  2. Step 2: Convert to fraction form
    177,957,614.40/266,936,421.60 = 75,724,987.20/x
  3. Step 3: Cross multiply
    177,957,614.40x = 266,936,421.60 × 75,724,987.20
  4. Step 4: Simplify right side
    177,957,614.40x = 20,213,757,108,873,804
  5. Step 5: Solve for x
    x = 20,213,757,108,873,804/177,957,614.40
  6. Step 6: Final answer
    x = 113,587,480.80

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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.