Home / 206,956,292.56-285,599,967.12-112,870,666.82

Finding the Fourth Proportional to 206,956,292.56, 285,599,967.12 and 112,870,666.82

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Solution

The fourth proportional to 206,956,292.56, 285,599,967.12 and 112,870,666.82 is: 155,761,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,956,292.56 : 285,599,967.12 = 112,870,666.82 : x
  2. Step 2: Convert to fraction form
    206,956,292.56/285,599,967.12 = 112,870,666.82/x
  3. Step 3: Cross multiply
    206,956,292.56x = 285,599,967.12 × 112,870,666.82
  4. Step 4: Simplify right side
    206,956,292.56x = 32,235,858,733,318,476
  5. Step 5: Solve for x
    x = 32,235,858,733,318,476/206,956,292.56
  6. Step 6: Final answer
    x = 155,761,674.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.