Home / 215,678,423.40-323,517,635.10-134,049,085.80

Finding the Fourth Proportional to 215,678,423.40, 323,517,635.10 and 134,049,085.80

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Solution

The fourth proportional to 215,678,423.40, 323,517,635.10 and 134,049,085.80 is: 201,073,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,678,423.40 : 323,517,635.10 = 134,049,085.80 : x
  2. Step 2: Convert to fraction form
    215,678,423.40/323,517,635.10 = 134,049,085.80/x
  3. Step 3: Cross multiply
    215,678,423.40x = 323,517,635.10 × 134,049,085.80
  4. Step 4: Simplify right side
    215,678,423.40x = 43,367,243,225,332,992
  5. Step 5: Solve for x
    x = 43,367,243,225,332,992/215,678,423.40
  6. Step 6: Final answer
    x = 201,073,628.70

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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.