Home / 131,752,656.61-197,670,286.86-79,287,574.66

Finding the Fourth Proportional to 131,752,656.61, 197,670,286.86 and 79,287,574.66

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Solution

The fourth proportional to 131,752,656.61, 197,670,286.86 and 79,287,574.66 is: 118,956,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,752,656.61 : 197,670,286.86 = 79,287,574.66 : x
  2. Step 2: Convert to fraction form
    131,752,656.61/197,670,286.86 = 79,287,574.66/x
  3. Step 3: Cross multiply
    131,752,656.61x = 197,670,286.86 × 79,287,574.66
  4. Step 4: Simplify right side
    131,752,656.61x = 15,672,797,627,408,282
  5. Step 5: Solve for x
    x = 15,672,797,627,408,282/131,752,656.61
  6. Step 6: Final answer
    x = 118,956,217.13

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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.