Home / 315,208,198.90-472,293,493.88-107,833,246.70

Finding the Fourth Proportional to 315,208,198.90, 472,293,493.88 and 107,833,246.70

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Solution

The fourth proportional to 315,208,198.90, 472,293,493.88 and 107,833,246.70 is: 161,572,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,208,198.90 : 472,293,493.88 = 107,833,246.70 : x
  2. Step 2: Convert to fraction form
    315,208,198.90/472,293,493.88 = 107,833,246.70/x
  3. Step 3: Cross multiply
    315,208,198.90x = 472,293,493.88 × 107,833,246.70
  4. Step 4: Simplify right side
    315,208,198.90x = 50,928,940,840,120,632
  5. Step 5: Solve for x
    x = 50,928,940,840,120,632/315,208,198.90
  6. Step 6: Final answer
    x = 161,572,386.18

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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.