Home / 154,753,730.40-231,794,672.40-127,879,874.40

Finding the Fourth Proportional to 154,753,730.40, 231,794,672.40 and 127,879,874.40

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Solution

The fourth proportional to 154,753,730.40, 231,794,672.40 and 127,879,874.40 is: 191,542,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,753,730.40 : 231,794,672.40 = 127,879,874.40 : x
  2. Step 2: Convert to fraction form
    154,753,730.40/231,794,672.40 = 127,879,874.40/x
  3. Step 3: Cross multiply
    154,753,730.40x = 231,794,672.40 × 127,879,874.40
  4. Step 4: Simplify right side
    154,753,730.40x = 29,641,873,593,101,148
  5. Step 5: Solve for x
    x = 29,641,873,593,101,148/154,753,730.40
  6. Step 6: Final answer
    x = 191,542,223.35

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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.