Home / 131,225,706.70-181,087,966.71-72,487,107.64

Finding the Fourth Proportional to 131,225,706.70, 181,087,966.71 and 72,487,107.64

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Solution

The fourth proportional to 131,225,706.70, 181,087,966.71 and 72,487,107.64 is: 100,030,270.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,225,706.70 : 181,087,966.71 = 72,487,107.64 : x
  2. Step 2: Convert to fraction form
    131,225,706.70/181,087,966.71 = 72,487,107.64/x
  3. Step 3: Cross multiply
    131,225,706.70x = 181,087,966.71 × 72,487,107.64
  4. Step 4: Simplify right side
    131,225,706.70x = 13,126,542,935,216,508
  5. Step 5: Solve for x
    x = 13,126,542,935,216,508/131,225,706.70
  6. Step 6: Final answer
    x = 100,030,270.48

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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.