Home / 280,040,150.18-386,445,276.78-154,589,651.66

Finding the Fourth Proportional to 280,040,150.18, 386,445,276.78 and 154,589,651.66

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Solution

The fourth proportional to 280,040,150.18, 386,445,276.78 and 154,589,651.66 is: 213,328,127.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,040,150.18 : 386,445,276.78 = 154,589,651.66 : x
  2. Step 2: Convert to fraction form
    280,040,150.18/386,445,276.78 = 154,589,651.66/x
  3. Step 3: Cross multiply
    280,040,150.18x = 386,445,276.78 × 154,589,651.66
  4. Step 4: Simplify right side
    280,040,150.18x = 59,740,440,723,072,480
  5. Step 5: Solve for x
    x = 59,740,440,723,072,480/280,040,150.18
  6. Step 6: Final answer
    x = 213,328,127.00

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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.