Home / 199,323,392.40-298,772,512.20-76,454,233.20

Finding the Fourth Proportional to 199,323,392.40, 298,772,512.20 and 76,454,233.20

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Solution

The fourth proportional to 199,323,392.40, 298,772,512.20 and 76,454,233.20 is: 114,599,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,323,392.40 : 298,772,512.20 = 76,454,233.20 : x
  2. Step 2: Convert to fraction form
    199,323,392.40/298,772,512.20 = 76,454,233.20/x
  3. Step 3: Cross multiply
    199,323,392.40x = 298,772,512.20 × 76,454,233.20
  4. Step 4: Simplify right side
    199,323,392.40x = 22,842,423,321,488,644
  5. Step 5: Solve for x
    x = 22,842,423,321,488,644/199,323,392.40
  6. Step 6: Final answer
    x = 114,599,812.13

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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.