Home / 168,038,538.30-252,057,807.45-40,387,722.30

Finding the Fourth Proportional to 168,038,538.30, 252,057,807.45 and 40,387,722.30

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Solution

The fourth proportional to 168,038,538.30, 252,057,807.45 and 40,387,722.30 is: 60,581,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,038,538.30 : 252,057,807.45 = 40,387,722.30 : x
  2. Step 2: Convert to fraction form
    168,038,538.30/252,057,807.45 = 40,387,722.30/x
  3. Step 3: Cross multiply
    168,038,538.30x = 252,057,807.45 × 40,387,722.30
  4. Step 4: Simplify right side
    168,038,538.30x = 10,180,040,730,837,470
  5. Step 5: Solve for x
    x = 10,180,040,730,837,470/168,038,538.30
  6. Step 6: Final answer
    x = 60,581,583.45

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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.