Home / 141,718,810.60-212,578,215.90-129,625,575.40

Finding the Fourth Proportional to 141,718,810.60, 212,578,215.90 and 129,625,575.40

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Solution

The fourth proportional to 141,718,810.60, 212,578,215.90 and 129,625,575.40 is: 194,438,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,718,810.60 : 212,578,215.90 = 129,625,575.40 : x
  2. Step 2: Convert to fraction form
    141,718,810.60/212,578,215.90 = 129,625,575.40/x
  3. Step 3: Cross multiply
    141,718,810.60x = 212,578,215.90 × 129,625,575.40
  4. Step 4: Simplify right side
    141,718,810.60x = 27,555,573,553,542,932
  5. Step 5: Solve for x
    x = 27,555,573,553,542,932/141,718,810.60
  6. Step 6: Final answer
    x = 194,438,363.10

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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.