Home / 122,582,827.40-169,165,456.10-67,580,652.20

Finding the Fourth Proportional to 122,582,827.40, 169,165,456.10 and 67,580,652.20

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Solution

The fourth proportional to 122,582,827.40, 169,165,456.10 and 67,580,652.20 is: 93,261,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,582,827.40 : 169,165,456.10 = 67,580,652.20 : x
  2. Step 2: Convert to fraction form
    122,582,827.40/169,165,456.10 = 67,580,652.20/x
  3. Step 3: Cross multiply
    122,582,827.40x = 169,165,456.10 × 67,580,652.20
  4. Step 4: Simplify right side
    122,582,827.40x = 11,432,311,852,948,468
  5. Step 5: Solve for x
    x = 11,432,311,852,948,468/122,582,827.40
  6. Step 6: Final answer
    x = 93,261,936.40

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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.