Home / 259,395,680.76-357,930,686.78-154,951,581.12

Finding the Fourth Proportional to 259,395,680.76, 357,930,686.78 and 154,951,581.12

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Solution

The fourth proportional to 259,395,680.76, 357,930,686.78 and 154,951,581.12 is: 213,812,063.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,395,680.76 : 357,930,686.78 = 154,951,581.12 : x
  2. Step 2: Convert to fraction form
    259,395,680.76/357,930,686.78 = 154,951,581.12/x
  3. Step 3: Cross multiply
    259,395,680.76x = 357,930,686.78 × 154,951,581.12
  4. Step 4: Simplify right side
    259,395,680.76x = 55,461,925,847,928,480
  5. Step 5: Solve for x
    x = 55,461,925,847,928,480/259,395,680.76
  6. Step 6: Final answer
    x = 213,812,063.81

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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.