Home / 122,951,372.31-169,673,059.13-70,739,360.78

Finding the Fourth Proportional to 122,951,372.31, 169,673,059.13 and 70,739,360.78

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Solution

The fourth proportional to 122,951,372.31, 169,673,059.13 and 70,739,360.78 is: 97,620,413.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,951,372.31 : 169,673,059.13 = 70,739,360.78 : x
  2. Step 2: Convert to fraction form
    122,951,372.31/169,673,059.13 = 70,739,360.78/x
  3. Step 3: Cross multiply
    122,951,372.31x = 169,673,059.13 × 70,739,360.78
  4. Step 4: Simplify right side
    122,951,372.31x = 12,002,563,743,241,282
  5. Step 5: Solve for x
    x = 12,002,563,743,241,282/122,951,372.31
  6. Step 6: Final answer
    x = 97,620,413.00

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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.