Home / 89,831,966.30-134,496,007.05-87,312,542.30

Finding the Fourth Proportional to 89,831,966.30, 134,496,007.05 and 87,312,542.30

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Solution

The fourth proportional to 89,831,966.30, 134,496,007.05 and 87,312,542.30 is: 130,723,937.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,831,966.30 : 134,496,007.05 = 87,312,542.30 : x
  2. Step 2: Convert to fraction form
    89,831,966.30/134,496,007.05 = 87,312,542.30/x
  3. Step 3: Cross multiply
    89,831,966.30x = 134,496,007.05 × 87,312,542.30
  4. Step 4: Simplify right side
    89,831,966.30x = 11,743,188,304,734,224
  5. Step 5: Solve for x
    x = 11,743,188,304,734,224/89,831,966.30
  6. Step 6: Final answer
    x = 130,723,937.02

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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.