Home / 129,486,853.70-194,230,280.55-123,514,885.70

Finding the Fourth Proportional to 129,486,853.70, 194,230,280.55 and 123,514,885.70

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Solution

The fourth proportional to 129,486,853.70, 194,230,280.55 and 123,514,885.70 is: 185,272,328.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,486,853.70 : 194,230,280.55 = 123,514,885.70 : x
  2. Step 2: Convert to fraction form
    129,486,853.70/194,230,280.55 = 123,514,885.70/x
  3. Step 3: Cross multiply
    129,486,853.70x = 194,230,280.55 × 123,514,885.70
  4. Step 4: Simplify right side
    129,486,853.70x = 23,990,330,901,612,184
  5. Step 5: Solve for x
    x = 23,990,330,901,612,184/129,486,853.70
  6. Step 6: Final answer
    x = 185,272,328.55

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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.