Home / 129,431,708.20-194,147,562.30-93,293,720.20

Finding the Fourth Proportional to 129,431,708.20, 194,147,562.30 and 93,293,720.20

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Solution

The fourth proportional to 129,431,708.20, 194,147,562.30 and 93,293,720.20 is: 139,940,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,431,708.20 : 194,147,562.30 = 93,293,720.20 : x
  2. Step 2: Convert to fraction form
    129,431,708.20/194,147,562.30 = 93,293,720.20/x
  3. Step 3: Cross multiply
    129,431,708.20x = 194,147,562.30 × 93,293,720.20
  4. Step 4: Simplify right side
    129,431,708.20x = 18,112,748,354,728,272
  5. Step 5: Solve for x
    x = 18,112,748,354,728,272/129,431,708.20
  6. Step 6: Final answer
    x = 139,940,580.30

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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.