Home / 89,520,428.74-134,280,202.47-77,352,863.62

Finding the Fourth Proportional to 89,520,428.74, 134,280,202.47 and 77,352,863.62

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Solution

The fourth proportional to 89,520,428.74, 134,280,202.47 and 77,352,863.62 is: 116,028,914.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,520,428.74 : 134,280,202.47 = 77,352,863.62 : x
  2. Step 2: Convert to fraction form
    89,520,428.74/134,280,202.47 = 77,352,863.62/x
  3. Step 3: Cross multiply
    89,520,428.74x = 134,280,202.47 × 77,352,863.62
  4. Step 4: Simplify right side
    89,520,428.74x = 10,386,958,188,527,898
  5. Step 5: Solve for x
    x = 10,386,958,188,527,898/89,520,428.74
  6. Step 6: Final answer
    x = 116,028,914.68

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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.