Home / 141,272,948.67-194,835,269.66-91,664,440.35

Finding the Fourth Proportional to 141,272,948.67, 194,835,269.66 and 91,664,440.35

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Solution

The fourth proportional to 141,272,948.67, 194,835,269.66 and 91,664,440.35 is: 126,418,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,272,948.67 : 194,835,269.66 = 91,664,440.35 : x
  2. Step 2: Convert to fraction form
    141,272,948.67/194,835,269.66 = 91,664,440.35/x
  3. Step 3: Cross multiply
    141,272,948.67x = 194,835,269.66 × 91,664,440.35
  4. Step 4: Simplify right side
    141,272,948.67x = 17,859,465,953,825,234
  5. Step 5: Solve for x
    x = 17,859,465,953,825,234/141,272,948.67
  6. Step 6: Final answer
    x = 126,418,158.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.