Home / 264,687,505.40-397,031,258.10-80,454,625.40

Finding the Fourth Proportional to 264,687,505.40, 397,031,258.10 and 80,454,625.40

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Solution

The fourth proportional to 264,687,505.40, 397,031,258.10 and 80,454,625.40 is: 120,681,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,687,505.40 : 397,031,258.10 = 80,454,625.40 : x
  2. Step 2: Convert to fraction form
    264,687,505.40/397,031,258.10 = 80,454,625.40/x
  3. Step 3: Cross multiply
    264,687,505.40x = 397,031,258.10 × 80,454,625.40
  4. Step 4: Simplify right side
    264,687,505.40x = 31,943,001,142,526,220
  5. Step 5: Solve for x
    x = 31,943,001,142,526,220/264,687,505.40
  6. Step 6: Final answer
    x = 120,681,938.10

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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.