Home / 154,292,917.20-231,346,996.92-52,054,691.28

Finding the Fourth Proportional to 154,292,917.20, 231,346,996.92 and 52,054,691.28

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Solution

The fourth proportional to 154,292,917.20, 231,346,996.92 and 52,054,691.28 is: 78,050,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,292,917.20 : 231,346,996.92 = 52,054,691.28 : x
  2. Step 2: Convert to fraction form
    154,292,917.20/231,346,996.92 = 52,054,691.28/x
  3. Step 3: Cross multiply
    154,292,917.20x = 231,346,996.92 × 52,054,691.28
  4. Step 4: Simplify right side
    154,292,917.20x = 12,042,696,503,225,710
  5. Step 5: Solve for x
    x = 12,042,696,503,225,710/154,292,917.20
  6. Step 6: Final answer
    x = 78,050,870.52

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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.