Home / 100,025,112.40-149,754,233.40-89,821,445.20

Finding the Fourth Proportional to 100,025,112.40, 149,754,233.40 and 89,821,445.20

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Solution

The fourth proportional to 100,025,112.40, 149,754,233.40 and 89,821,445.20 is: 134,477,646.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,025,112.40 : 149,754,233.40 = 89,821,445.20 : x
  2. Step 2: Convert to fraction form
    100,025,112.40/149,754,233.40 = 89,821,445.20/x
  3. Step 3: Cross multiply
    100,025,112.40x = 149,754,233.40 × 89,821,445.20
  4. Step 4: Simplify right side
    100,025,112.40x = 13,451,141,668,806,110
  5. Step 5: Solve for x
    x = 13,451,141,668,806,110/100,025,112.40
  6. Step 6: Final answer
    x = 134,477,646.12

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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.