Home / 288,861,740.32-398,629,201.68-165,105,074.68

Finding the Fourth Proportional to 288,861,740.32, 398,629,201.68 and 165,105,074.68

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Solution

The fourth proportional to 288,861,740.32, 398,629,201.68 and 165,105,074.68 is: 227,845,003.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,861,740.32 : 398,629,201.68 = 165,105,074.68 : x
  2. Step 2: Convert to fraction form
    288,861,740.32/398,629,201.68 = 165,105,074.68/x
  3. Step 3: Cross multiply
    288,861,740.32x = 398,629,201.68 × 165,105,074.68
  4. Step 4: Simplify right side
    288,861,740.32x = 65,815,704,113,005,184
  5. Step 5: Solve for x
    x = 65,815,704,113,005,184/288,861,740.32
  6. Step 6: Final answer
    x = 227,845,003.08

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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.