Home / 141,913,123.20-212,869,684.80-88,165,411.20

Finding the Fourth Proportional to 141,913,123.20, 212,869,684.80 and 88,165,411.20

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Solution

The fourth proportional to 141,913,123.20, 212,869,684.80 and 88,165,411.20 is: 132,248,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,913,123.20 : 212,869,684.80 = 88,165,411.20 : x
  2. Step 2: Convert to fraction form
    141,913,123.20/212,869,684.80 = 88,165,411.20/x
  3. Step 3: Cross multiply
    141,913,123.20x = 212,869,684.80 × 88,165,411.20
  4. Step 4: Simplify right side
    141,913,123.20x = 18,767,743,292,406,392
  5. Step 5: Solve for x
    x = 18,767,743,292,406,392/141,913,123.20
  6. Step 6: Final answer
    x = 132,248,116.80

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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.