Home / 232,420,470.84-320,736,374.10-128,008,257.57

Finding the Fourth Proportional to 232,420,470.84, 320,736,374.10 and 128,008,257.57

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Solution

The fourth proportional to 232,420,470.84, 320,736,374.10 and 128,008,257.57 is: 176,649,260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,420,470.84 : 320,736,374.10 = 128,008,257.57 : x
  2. Step 2: Convert to fraction form
    232,420,470.84/320,736,374.10 = 128,008,257.57/x
  3. Step 3: Cross multiply
    232,420,470.84x = 320,736,374.10 × 128,008,257.57
  4. Step 4: Simplify right side
    232,420,470.84x = 41,056,904,387,860,680
  5. Step 5: Solve for x
    x = 41,056,904,387,860,680/232,420,470.84
  6. Step 6: Final answer
    x = 176,649,260.88

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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.