Home / 129,348,134.60-194,049,158.70-43,113,331.40

Finding the Fourth Proportional to 129,348,134.60, 194,049,158.70 and 43,113,331.40

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Solution

The fourth proportional to 129,348,134.60, 194,049,158.70 and 43,113,331.40 is: 64,678,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,348,134.60 : 194,049,158.70 = 43,113,331.40 : x
  2. Step 2: Convert to fraction form
    129,348,134.60/194,049,158.70 = 43,113,331.40/x
  3. Step 3: Cross multiply
    129,348,134.60x = 194,049,158.70 × 43,113,331.40
  4. Step 4: Simplify right side
    129,348,134.60x = 8,366,105,686,924,292
  5. Step 5: Solve for x
    x = 8,366,105,686,924,292/129,348,134.60
  6. Step 6: Final answer
    x = 64,678,982.13

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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.