Home / 85,225,508.64-127,857,202.38-39,762,502.56

Finding the Fourth Proportional to 85,225,508.64, 127,857,202.38 and 39,762,502.56

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Solution

The fourth proportional to 85,225,508.64, 127,857,202.38 and 39,762,502.56 is: 59,652,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,225,508.64 : 127,857,202.38 = 39,762,502.56 : x
  2. Step 2: Convert to fraction form
    85,225,508.64/127,857,202.38 = 39,762,502.56/x
  3. Step 3: Cross multiply
    85,225,508.64x = 127,857,202.38 × 39,762,502.56
  4. Step 4: Simplify right side
    85,225,508.64x = 5,083,922,336,949,188
  5. Step 5: Solve for x
    x = 5,083,922,336,949,188/85,225,508.64
  6. Step 6: Final answer
    x = 59,652,590.15

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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.