Home / 81,177,909.10-112,021,200.03-45,893,604.62

Finding the Fourth Proportional to 81,177,909.10, 112,021,200.03 and 45,893,604.62

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Solution

The fourth proportional to 81,177,909.10, 112,021,200.03 and 45,893,604.62 is: 63,330,735.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,177,909.10 : 112,021,200.03 = 45,893,604.62 : x
  2. Step 2: Convert to fraction form
    81,177,909.10/112,021,200.03 = 45,893,604.62/x
  3. Step 3: Cross multiply
    81,177,909.10x = 112,021,200.03 × 45,893,604.62
  4. Step 4: Simplify right side
    81,177,909.10x = 5,141,056,663,126,662
  5. Step 5: Solve for x
    x = 5,141,056,663,126,662/81,177,909.10
  6. Step 6: Final answer
    x = 63,330,735.17

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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.