Home / 154,202,806.20-212,797,887.18-88,122,547.68

Finding the Fourth Proportional to 154,202,806.20, 212,797,887.18 and 88,122,547.68

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Solution

The fourth proportional to 154,202,806.20, 212,797,887.18 and 88,122,547.68 is: 121,607,981.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,202,806.20 : 212,797,887.18 = 88,122,547.68 : x
  2. Step 2: Convert to fraction form
    154,202,806.20/212,797,887.18 = 88,122,547.68/x
  3. Step 3: Cross multiply
    154,202,806.20x = 212,797,887.18 × 88,122,547.68
  4. Step 4: Simplify right side
    154,202,806.20x = 18,752,291,959,222,812
  5. Step 5: Solve for x
    x = 18,752,291,959,222,812/154,202,806.20
  6. Step 6: Final answer
    x = 121,607,981.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.