Home / 252,973,822.38-379,498,486.08-80,456,263.98

Finding the Fourth Proportional to 252,973,822.38, 379,498,486.08 and 80,456,263.98

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Solution

The fourth proportional to 252,973,822.38, 379,498,486.08 and 80,456,263.98 is: 120,696,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,973,822.38 : 379,498,486.08 = 80,456,263.98 : x
  2. Step 2: Convert to fraction form
    252,973,822.38/379,498,486.08 = 80,456,263.98/x
  3. Step 3: Cross multiply
    252,973,822.38x = 379,498,486.08 × 80,456,263.98
  4. Step 4: Simplify right side
    252,973,822.38x = 30,533,030,376,062,836
  5. Step 5: Solve for x
    x = 30,533,030,376,062,836/252,973,822.38
  6. Step 6: Final answer
    x = 120,696,402.85

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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.