Home / 173,815,488.90-260,723,233.35-78,264,000.90

Finding the Fourth Proportional to 173,815,488.90, 260,723,233.35 and 78,264,000.90

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Solution

The fourth proportional to 173,815,488.90, 260,723,233.35 and 78,264,000.90 is: 117,396,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,815,488.90 : 260,723,233.35 = 78,264,000.90 : x
  2. Step 2: Convert to fraction form
    173,815,488.90/260,723,233.35 = 78,264,000.90/x
  3. Step 3: Cross multiply
    173,815,488.90x = 260,723,233.35 × 78,264,000.90
  4. Step 4: Simplify right side
    173,815,488.90x = 20,405,243,369,555,312
  5. Step 5: Solve for x
    x = 20,405,243,369,555,312/173,815,488.90
  6. Step 6: Final answer
    x = 117,396,001.35

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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.