Home / 199,323,605.40-298,772,831.70-76,454,446.20

Finding the Fourth Proportional to 199,323,605.40, 298,772,831.70 and 76,454,446.20

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Solution

The fourth proportional to 199,323,605.40, 298,772,831.70 and 76,454,446.20 is: 114,600,131.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,323,605.40 : 298,772,831.70 = 76,454,446.20 : x
  2. Step 2: Convert to fraction form
    199,323,605.40/298,772,831.70 = 76,454,446.20/x
  3. Step 3: Cross multiply
    199,323,605.40x = 298,772,831.70 × 76,454,446.20
  4. Step 4: Simplify right side
    199,323,605.40x = 22,842,511,387,229,304
  5. Step 5: Solve for x
    x = 22,842,511,387,229,304/199,323,605.40
  6. Step 6: Final answer
    x = 114,600,131.49

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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.