Home / 168,872,671.89-232,924,152.24-154,978,894.17

Finding the Fourth Proportional to 168,872,671.89, 232,924,152.24 and 154,978,894.17

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Solution

The fourth proportional to 168,872,671.89, 232,924,152.24 and 154,978,894.17 is: 213,760,622.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,872,671.89 : 232,924,152.24 = 154,978,894.17 : x
  2. Step 2: Convert to fraction form
    168,872,671.89/232,924,152.24 = 154,978,894.17/x
  3. Step 3: Cross multiply
    168,872,671.89x = 232,924,152.24 × 154,978,894.17
  4. Step 4: Simplify right side
    168,872,671.89x = 36,098,327,539,639,928
  5. Step 5: Solve for x
    x = 36,098,327,539,639,928/168,872,671.89
  6. Step 6: Final answer
    x = 213,760,622.93

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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.