Home / 149,542,410.10-224,313,615.15-81,517,962.10

Finding the Fourth Proportional to 149,542,410.10, 224,313,615.15 and 81,517,962.10

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Solution

The fourth proportional to 149,542,410.10, 224,313,615.15 and 81,517,962.10 is: 122,276,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,542,410.10 : 224,313,615.15 = 81,517,962.10 : x
  2. Step 2: Convert to fraction form
    149,542,410.10/224,313,615.15 = 81,517,962.10/x
  3. Step 3: Cross multiply
    149,542,410.10x = 224,313,615.15 × 81,517,962.10
  4. Step 4: Simplify right side
    149,542,410.10x = 18,285,588,778,311,684
  5. Step 5: Solve for x
    x = 18,285,588,778,311,684/149,542,410.10
  6. Step 6: Final answer
    x = 122,276,943.15

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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.