Home / 92,491,479.20-138,737,218.80-54,196,234.40

Finding the Fourth Proportional to 92,491,479.20, 138,737,218.80 and 54,196,234.40

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Solution

The fourth proportional to 92,491,479.20, 138,737,218.80 and 54,196,234.40 is: 81,294,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,491,479.20 : 138,737,218.80 = 54,196,234.40 : x
  2. Step 2: Convert to fraction form
    92,491,479.20/138,737,218.80 = 54,196,234.40/x
  3. Step 3: Cross multiply
    92,491,479.20x = 138,737,218.80 × 54,196,234.40
  4. Step 4: Simplify right side
    92,491,479.20x = 7,519,034,830,088,887
  5. Step 5: Solve for x
    x = 7,519,034,830,088,887/92,491,479.20
  6. Step 6: Final answer
    x = 81,294,351.60

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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.