Home / 129,486,415.20-194,229,622.80-123,514,447.20

Finding the Fourth Proportional to 129,486,415.20, 194,229,622.80 and 123,514,447.20

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Solution

The fourth proportional to 129,486,415.20, 194,229,622.80 and 123,514,447.20 is: 185,271,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,486,415.20 : 194,229,622.80 = 123,514,447.20 : x
  2. Step 2: Convert to fraction form
    129,486,415.20/194,229,622.80 = 123,514,447.20/x
  3. Step 3: Cross multiply
    129,486,415.20x = 194,229,622.80 × 123,514,447.20
  4. Step 4: Simplify right side
    129,486,415.20x = 23,990,164,490,006,520
  5. Step 5: Solve for x
    x = 23,990,164,490,006,520/129,486,415.20
  6. Step 6: Final answer
    x = 185,271,670.80

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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.