Home / 129,348,549.60-194,049,781.20-43,113,746.40

Finding the Fourth Proportional to 129,348,549.60, 194,049,781.20 and 43,113,746.40

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Solution

The fourth proportional to 129,348,549.60, 194,049,781.20 and 43,113,746.40 is: 64,679,604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,348,549.60 : 194,049,781.20 = 43,113,746.40 : x
  2. Step 2: Convert to fraction form
    129,348,549.60/194,049,781.20 = 43,113,746.40/x
  3. Step 3: Cross multiply
    129,348,549.60x = 194,049,781.20 × 43,113,746.40
  4. Step 4: Simplify right side
    129,348,549.60x = 8,366,213,055,632,287
  5. Step 5: Solve for x
    x = 8,366,213,055,632,287/129,348,549.60
  6. Step 6: Final answer
    x = 64,679,604.69

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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.