Home / 206,471,767.76-284,938,558.56-112,381,367.52

Finding the Fourth Proportional to 206,471,767.76, 284,938,558.56 and 112,381,367.52

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Solution

The fourth proportional to 206,471,767.76, 284,938,558.56 and 112,381,367.52 is: 155,090,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,471,767.76 : 284,938,558.56 = 112,381,367.52 : x
  2. Step 2: Convert to fraction form
    206,471,767.76/284,938,558.56 = 112,381,367.52/x
  3. Step 3: Cross multiply
    206,471,767.76x = 284,938,558.56 × 112,381,367.52
  4. Step 4: Simplify right side
    206,471,767.76x = 32,021,784,870,150,400
  5. Step 5: Solve for x
    x = 32,021,784,870,150,400/206,471,767.76
  6. Step 6: Final answer
    x = 155,090,379.75

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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.