Home / 168,404,687.70-252,607,031.55-155,807,567.70

Finding the Fourth Proportional to 168,404,687.70, 252,607,031.55 and 155,807,567.70

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Solution

The fourth proportional to 168,404,687.70, 252,607,031.55 and 155,807,567.70 is: 233,711,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,404,687.70 : 252,607,031.55 = 155,807,567.70 : x
  2. Step 2: Convert to fraction form
    168,404,687.70/252,607,031.55 = 155,807,567.70/x
  3. Step 3: Cross multiply
    168,404,687.70x = 252,607,031.55 × 155,807,567.70
  4. Step 4: Simplify right side
    168,404,687.70x = 39,358,087,169,722,656
  5. Step 5: Solve for x
    x = 39,358,087,169,722,656/168,404,687.70
  6. Step 6: Final answer
    x = 233,711,351.55

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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.