Home / 83,146,563.20-124,578,127.20-70,958,849.60

Finding the Fourth Proportional to 83,146,563.20, 124,578,127.20 and 70,958,849.60

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Solution

The fourth proportional to 83,146,563.20, 124,578,127.20 and 70,958,849.60 is: 106,317,329.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,146,563.20 : 124,578,127.20 = 70,958,849.60 : x
  2. Step 2: Convert to fraction form
    83,146,563.20/124,578,127.20 = 70,958,849.60/x
  3. Step 3: Cross multiply
    83,146,563.20x = 124,578,127.20 × 70,958,849.60
  4. Step 4: Simplify right side
    83,146,563.20x = 8,839,920,591,434,469
  5. Step 5: Solve for x
    x = 8,839,920,591,434,469/83,146,563.20
  6. Step 6: Final answer
    x = 106,317,329.92

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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.