Home / 149,542,401.10-224,313,601.65-81,517,953.10

Finding the Fourth Proportional to 149,542,401.10, 224,313,601.65 and 81,517,953.10

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Solution

The fourth proportional to 149,542,401.10, 224,313,601.65 and 81,517,953.10 is: 122,276,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,542,401.10 : 224,313,601.65 = 81,517,953.10 : x
  2. Step 2: Convert to fraction form
    149,542,401.10/224,313,601.65 = 81,517,953.10/x
  3. Step 3: Cross multiply
    149,542,401.10x = 224,313,601.65 × 81,517,953.10
  4. Step 4: Simplify right side
    149,542,401.10x = 18,285,585,658,996,780
  5. Step 5: Solve for x
    x = 18,285,585,658,996,780/149,542,401.10
  6. Step 6: Final answer
    x = 122,276,929.65

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1.5x scale

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.