Home / 141,793,677.70-212,690,516.55-121,386,343.30

Finding the Fourth Proportional to 141,793,677.70, 212,690,516.55 and 121,386,343.30

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Solution

The fourth proportional to 141,793,677.70, 212,690,516.55 and 121,386,343.30 is: 182,079,514.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,793,677.70 : 212,690,516.55 = 121,386,343.30 : x
  2. Step 2: Convert to fraction form
    141,793,677.70/212,690,516.55 = 121,386,343.30/x
  3. Step 3: Cross multiply
    141,793,677.70x = 212,690,516.55 × 121,386,343.30
  4. Step 4: Simplify right side
    141,793,677.70x = 25,817,724,058,592,632
  5. Step 5: Solve for x
    x = 25,817,724,058,592,632/141,793,677.70
  6. Step 6: Final answer
    x = 182,079,514.95

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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.