Home / 238,972,357.10-358,458,535.65-164,995,769.90

Finding the Fourth Proportional to 238,972,357.10, 358,458,535.65 and 164,995,769.90

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Solution

The fourth proportional to 238,972,357.10, 358,458,535.65 and 164,995,769.90 is: 247,493,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,972,357.10 : 358,458,535.65 = 164,995,769.90 : x
  2. Step 2: Convert to fraction form
    238,972,357.10/358,458,535.65 = 164,995,769.90/x
  3. Step 3: Cross multiply
    238,972,357.10x = 358,458,535.65 × 164,995,769.90
  4. Step 4: Simplify right side
    238,972,357.10x = 59,144,142,066,798,344
  5. Step 5: Solve for x
    x = 59,144,142,066,798,344/238,972,357.10
  6. Step 6: Final answer
    x = 247,493,654.85

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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.