Home / 264,687,520.90-397,031,281.35-80,454,640.90

Finding the Fourth Proportional to 264,687,520.90, 397,031,281.35 and 80,454,640.90

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Solution

The fourth proportional to 264,687,520.90, 397,031,281.35 and 80,454,640.90 is: 120,681,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,687,520.90 : 397,031,281.35 = 80,454,640.90 : x
  2. Step 2: Convert to fraction form
    264,687,520.90/397,031,281.35 = 80,454,640.90/x
  3. Step 3: Cross multiply
    264,687,520.90x = 397,031,281.35 × 80,454,640.90
  4. Step 4: Simplify right side
    264,687,520.90x = 31,943,009,167,081,120
  5. Step 5: Solve for x
    x = 31,943,009,167,081,120/264,687,520.90
  6. Step 6: Final answer
    x = 120,681,961.35

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Similar ratio
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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.