Home / 129,486,848.20-194,230,272.30-123,514,880.20

Finding the Fourth Proportional to 129,486,848.20, 194,230,272.30 and 123,514,880.20

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Solution

The fourth proportional to 129,486,848.20, 194,230,272.30 and 123,514,880.20 is: 185,272,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,486,848.20 : 194,230,272.30 = 123,514,880.20 : x
  2. Step 2: Convert to fraction form
    129,486,848.20/194,230,272.30 = 123,514,880.20/x
  3. Step 3: Cross multiply
    129,486,848.20x = 194,230,272.30 × 123,514,880.20
  4. Step 4: Simplify right side
    129,486,848.20x = 23,990,328,814,347,880
  5. Step 5: Solve for x
    x = 23,990,328,814,347,880/129,486,848.20
  6. Step 6: Final answer
    x = 185,272,320.30

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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.