Home / 131,752,740.17-197,670,412.36-79,287,658.11

Finding the Fourth Proportional to 131,752,740.17, 197,670,412.36 and 79,287,658.11

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Solution

The fourth proportional to 131,752,740.17, 197,670,412.36 and 79,287,658.11 is: 118,956,342.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,752,740.17 : 197,670,412.36 = 79,287,658.11 : x
  2. Step 2: Convert to fraction form
    131,752,740.17/197,670,412.36 = 79,287,658.11/x
  3. Step 3: Cross multiply
    131,752,740.17x = 197,670,412.36 × 79,287,658.11
  4. Step 4: Simplify right side
    131,752,740.17x = 15,672,824,073,662,400
  5. Step 5: Solve for x
    x = 15,672,824,073,662,400/131,752,740.17
  6. Step 6: Final answer
    x = 118,956,342.41

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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.