Home / 302,856,009.20-454,284,013.80-194,016,892.40

Finding the Fourth Proportional to 302,856,009.20, 454,284,013.80 and 194,016,892.40

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Solution

The fourth proportional to 302,856,009.20, 454,284,013.80 and 194,016,892.40 is: 291,025,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,856,009.20 : 454,284,013.80 = 194,016,892.40 : x
  2. Step 2: Convert to fraction form
    302,856,009.20/454,284,013.80 = 194,016,892.40/x
  3. Step 3: Cross multiply
    302,856,009.20x = 454,284,013.80 × 194,016,892.40
  4. Step 4: Simplify right side
    302,856,009.20x = 88,138,772,624,474,720
  5. Step 5: Solve for x
    x = 88,138,772,624,474,720/302,856,009.20
  6. Step 6: Final answer
    x = 291,025,338.60

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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.