Home / 381,524,857.40-572,287,286.10-94,310,521.40

Finding the Fourth Proportional to 381,524,857.40, 572,287,286.10 and 94,310,521.40

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Solution

The fourth proportional to 381,524,857.40, 572,287,286.10 and 94,310,521.40 is: 141,465,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,524,857.40 : 572,287,286.10 = 94,310,521.40 : x
  2. Step 2: Convert to fraction form
    381,524,857.40/572,287,286.10 = 94,310,521.40/x
  3. Step 3: Cross multiply
    381,524,857.40x = 572,287,286.10 × 94,310,521.40
  4. Step 4: Simplify right side
    381,524,857.40x = 53,972,712,342,681,976
  5. Step 5: Solve for x
    x = 53,972,712,342,681,976/381,524,857.40
  6. Step 6: Final answer
    x = 141,465,782.10

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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.