Home / 89,947,983.76-134,975,711.02-82,629,975.04

Finding the Fourth Proportional to 89,947,983.76, 134,975,711.02 and 82,629,975.04

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Solution

The fourth proportional to 89,947,983.76, 134,975,711.02 and 82,629,975.04 is: 123,994,326.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,947,983.76 : 134,975,711.02 = 82,629,975.04 : x
  2. Step 2: Convert to fraction form
    89,947,983.76/134,975,711.02 = 82,629,975.04/x
  3. Step 3: Cross multiply
    89,947,983.76x = 134,975,711.02 × 82,629,975.04
  4. Step 4: Simplify right side
    89,947,983.76x = 11,153,039,632,588,854
  5. Step 5: Solve for x
    x = 11,153,039,632,588,854/89,947,983.76
  6. Step 6: Final answer
    x = 123,994,326.12

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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.