Home / 204,805,041.88-307,207,858.50-83,636,493.88

Finding the Fourth Proportional to 204,805,041.88, 307,207,858.50 and 83,636,493.88

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Solution

The fourth proportional to 204,805,041.88, 307,207,858.50 and 83,636,493.88 is: 125,454,861.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,805,041.88 : 307,207,858.50 = 83,636,493.88 : x
  2. Step 2: Convert to fraction form
    204,805,041.88/307,207,858.50 = 83,636,493.88/x
  3. Step 3: Cross multiply
    204,805,041.88x = 307,207,858.50 × 83,636,493.88
  4. Step 4: Simplify right side
    204,805,041.88x = 25,693,788,177,323,156
  5. Step 5: Solve for x
    x = 25,693,788,177,323,156/204,805,041.88
  6. Step 6: Final answer
    x = 125,454,861.57

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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.