Home / 215,364,807.60-323,047,211.40-192,074,132.40

Finding the Fourth Proportional to 215,364,807.60, 323,047,211.40 and 192,074,132.40

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Solution

The fourth proportional to 215,364,807.60, 323,047,211.40 and 192,074,132.40 is: 288,111,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,364,807.60 : 323,047,211.40 = 192,074,132.40 : x
  2. Step 2: Convert to fraction form
    215,364,807.60/323,047,211.40 = 192,074,132.40/x
  3. Step 3: Cross multiply
    215,364,807.60x = 323,047,211.40 × 192,074,132.40
  4. Step 4: Simplify right side
    215,364,807.60x = 62,049,012,853,894,384
  5. Step 5: Solve for x
    x = 62,049,012,853,894,384/215,364,807.60
  6. Step 6: Final answer
    x = 288,111,198.60

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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.