Home / 278,364,178.40-417,546,267.60-96,611,356.40

Finding the Fourth Proportional to 278,364,178.40, 417,546,267.60 and 96,611,356.40

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Solution

The fourth proportional to 278,364,178.40, 417,546,267.60 and 96,611,356.40 is: 144,917,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,364,178.40 : 417,546,267.60 = 96,611,356.40 : x
  2. Step 2: Convert to fraction form
    278,364,178.40/417,546,267.60 = 96,611,356.40/x
  3. Step 3: Cross multiply
    278,364,178.40x = 417,546,267.60 × 96,611,356.40
  4. Step 4: Simplify right side
    278,364,178.40x = 40,339,711,272,593,376
  5. Step 5: Solve for x
    x = 40,339,711,272,593,376/278,364,178.40
  6. Step 6: Final answer
    x = 144,917,034.60

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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.