Home / 534,542,938.61-801,815,902.65-166,131,762.03

Finding the Fourth Proportional to 534,542,938.61, 801,815,902.65 and 166,131,762.03

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Solution

The fourth proportional to 534,542,938.61, 801,815,902.65 and 166,131,762.03 is: 249,198,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,542,938.61 : 801,815,902.65 = 166,131,762.03 : x
  2. Step 2: Convert to fraction form
    534,542,938.61/801,815,902.65 = 166,131,762.03/x
  3. Step 3: Cross multiply
    534,542,938.61x = 801,815,902.65 × 166,131,762.03
  4. Step 4: Simplify right side
    534,542,938.61x = 133,207,088,730,919,440
  5. Step 5: Solve for x
    x = 133,207,088,730,919,440/534,542,938.61
  6. Step 6: Final answer
    x = 249,198,107.60

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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.