Home / 289,252,853.80-433,882,812.38-84,785,063.56

Finding the Fourth Proportional to 289,252,853.80, 433,882,812.38 and 84,785,063.56

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Solution

The fourth proportional to 289,252,853.80, 433,882,812.38 and 84,785,063.56 is: 127,178,630.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,252,853.80 : 433,882,812.38 = 84,785,063.56 : x
  2. Step 2: Convert to fraction form
    289,252,853.80/433,882,812.38 = 84,785,063.56/x
  3. Step 3: Cross multiply
    289,252,853.80x = 433,882,812.38 × 84,785,063.56
  4. Step 4: Simplify right side
    289,252,853.80x = 36,786,781,825,229,856
  5. Step 5: Solve for x
    x = 36,786,781,825,229,856/289,252,853.80
  6. Step 6: Final answer
    x = 127,178,630.54

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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.