Home / 261,162,164.16-391,147,682.40-124,943,906.88

Finding the Fourth Proportional to 261,162,164.16, 391,147,682.40 and 124,943,906.88

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Solution

The fourth proportional to 261,162,164.16, 391,147,682.40 and 124,943,906.88 is: 187,130,933.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,162,164.16 : 391,147,682.40 = 124,943,906.88 : x
  2. Step 2: Convert to fraction form
    261,162,164.16/391,147,682.40 = 124,943,906.88/x
  3. Step 3: Cross multiply
    261,162,164.16x = 391,147,682.40 × 124,943,906.88
  4. Step 4: Simplify right side
    261,162,164.16x = 48,871,519,606,113,408
  5. Step 5: Solve for x
    x = 48,871,519,606,113,408/261,162,164.16
  6. Step 6: Final answer
    x = 187,130,933.62

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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.