Home / 131,225,696.70-181,087,952.94-72,487,097.61

Finding the Fourth Proportional to 131,225,696.70, 181,087,952.94 and 72,487,097.61

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Solution

The fourth proportional to 131,225,696.70, 181,087,952.94 and 72,487,097.61 is: 100,030,256.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,225,696.70 : 181,087,952.94 = 72,487,097.61 : x
  2. Step 2: Convert to fraction form
    131,225,696.70/181,087,952.94 = 72,487,097.61/x
  3. Step 3: Cross multiply
    131,225,696.70x = 181,087,952.94 × 72,487,097.61
  4. Step 4: Simplify right side
    131,225,696.70x = 13,126,540,120,756,866
  5. Step 5: Solve for x
    x = 13,126,540,120,756,866/131,225,696.70
  6. Step 6: Final answer
    x = 100,030,256.66

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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.