Home / 206,442,119.60-309,615,859.16-58,886,870.96

Finding the Fourth Proportional to 206,442,119.60, 309,615,859.16 and 58,886,870.96

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Solution

The fourth proportional to 206,442,119.60, 309,615,859.16 and 58,886,870.96 is: 88,316,808.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,442,119.60 : 309,615,859.16 = 58,886,870.96 : x
  2. Step 2: Convert to fraction form
    206,442,119.60/309,615,859.16 = 58,886,870.96/x
  3. Step 3: Cross multiply
    206,442,119.60x = 309,615,859.16 × 58,886,870.96
  4. Step 4: Simplify right side
    206,442,119.60x = 18,232,309,145,524,456
  5. Step 5: Solve for x
    x = 18,232,309,145,524,456/206,442,119.60
  6. Step 6: Final answer
    x = 88,316,808.51

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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.