Home / 154,204,451.40-212,800,158.51-88,124,191.86

Finding the Fourth Proportional to 154,204,451.40, 212,800,158.51 and 88,124,191.86

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Solution

The fourth proportional to 154,204,451.40, 212,800,158.51 and 88,124,191.86 is: 121,610,250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,204,451.40 : 212,800,158.51 = 88,124,191.86 : x
  2. Step 2: Convert to fraction form
    154,204,451.40/212,800,158.51 = 88,124,191.86/x
  3. Step 3: Cross multiply
    154,204,451.40x = 212,800,158.51 × 88,124,191.86
  4. Step 4: Simplify right side
    154,204,451.40x = 18,752,841,996,373,652
  5. Step 5: Solve for x
    x = 18,752,841,996,373,652/154,204,451.40
  6. Step 6: Final answer
    x = 121,610,250.72

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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.