Home / 201,552,819.30-278,125,158.16-112,238,014.46

Finding the Fourth Proportional to 201,552,819.30, 278,125,158.16 and 112,238,014.46

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Solution

The fourth proportional to 201,552,819.30, 278,125,158.16 and 112,238,014.46 is: 154,878,585.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,552,819.30 : 278,125,158.16 = 112,238,014.46 : x
  2. Step 2: Convert to fraction form
    201,552,819.30/278,125,158.16 = 112,238,014.46/x
  3. Step 3: Cross multiply
    201,552,819.30x = 278,125,158.16 × 112,238,014.46
  4. Step 4: Simplify right side
    201,552,819.30x = 31,216,215,522,690,672
  5. Step 5: Solve for x
    x = 31,216,215,522,690,672/201,552,819.30
  6. Step 6: Final answer
    x = 154,878,585.33

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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.