Home / 259,395,677.76-357,930,682.65-154,951,578.12

Finding the Fourth Proportional to 259,395,677.76, 357,930,682.65 and 154,951,578.12

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Solution

The fourth proportional to 259,395,677.76, 357,930,682.65 and 154,951,578.12 is: 213,812,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,395,677.76 : 357,930,682.65 = 154,951,578.12 : x
  2. Step 2: Convert to fraction form
    259,395,677.76/357,930,682.65 = 154,951,578.12/x
  3. Step 3: Cross multiply
    259,395,677.76x = 357,930,682.65 × 154,951,578.12
  4. Step 4: Simplify right side
    259,395,677.76x = 55,461,924,134,186,400
  5. Step 5: Solve for x
    x = 55,461,924,134,186,400/259,395,677.76
  6. Step 6: Final answer
    x = 213,812,059.68

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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.