Home / 173,815,999.90-260,723,999.85-87,521,062.30

Finding the Fourth Proportional to 173,815,999.90, 260,723,999.85 and 87,521,062.30

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Solution

The fourth proportional to 173,815,999.90, 260,723,999.85 and 87,521,062.30 is: 131,281,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,815,999.90 : 260,723,999.85 = 87,521,062.30 : x
  2. Step 2: Convert to fraction form
    173,815,999.90/260,723,999.85 = 87,521,062.30/x
  3. Step 3: Cross multiply
    173,815,999.90x = 260,723,999.85 × 87,521,062.30
  4. Step 4: Simplify right side
    173,815,999.90x = 22,818,841,433,977,040
  5. Step 5: Solve for x
    x = 22,818,841,433,977,040/173,815,999.90
  6. Step 6: Final answer
    x = 131,281,593.45

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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.