Home / 154,204,452.40-212,800,159.89-88,124,192.86

Finding the Fourth Proportional to 154,204,452.40, 212,800,159.89 and 88,124,192.86

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Solution

The fourth proportional to 154,204,452.40, 212,800,159.89 and 88,124,192.86 is: 121,610,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,204,452.40 : 212,800,159.89 = 88,124,192.86 : x
  2. Step 2: Convert to fraction form
    154,204,452.40/212,800,159.89 = 88,124,192.86/x
  3. Step 3: Cross multiply
    154,204,452.40x = 212,800,159.89 × 88,124,192.86
  4. Step 4: Simplify right side
    154,204,452.40x = 18,752,842,330,785,196
  5. Step 5: Solve for x
    x = 18,752,842,330,785,196/154,204,452.40
  6. Step 6: Final answer
    x = 121,610,252.10

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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.