Home / 159,769,387.20-239,488,743.60-86,832,062.40

Finding the Fourth Proportional to 159,769,387.20, 239,488,743.60 and 86,832,062.40

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Solution

The fourth proportional to 159,769,387.20, 239,488,743.60 and 86,832,062.40 is: 130,158,235.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,769,387.20 : 239,488,743.60 = 86,832,062.40 : x
  2. Step 2: Convert to fraction form
    159,769,387.20/239,488,743.60 = 86,832,062.40/x
  3. Step 3: Cross multiply
    159,769,387.20x = 239,488,743.60 × 86,832,062.40
  4. Step 4: Simplify right side
    159,769,387.20x = 20,795,301,528,372,800
  5. Step 5: Solve for x
    x = 20,795,301,528,372,800/159,769,387.20
  6. Step 6: Final answer
    x = 130,158,235.52

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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.