Home / 115,917,869.10-173,876,803.65-107,158,982.70

Finding the Fourth Proportional to 115,917,869.10, 173,876,803.65 and 107,158,982.70

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Solution

The fourth proportional to 115,917,869.10, 173,876,803.65 and 107,158,982.70 is: 160,738,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,917,869.10 : 173,876,803.65 = 107,158,982.70 : x
  2. Step 2: Convert to fraction form
    115,917,869.10/173,876,803.65 = 107,158,982.70/x
  3. Step 3: Cross multiply
    115,917,869.10x = 173,876,803.65 × 107,158,982.70
  4. Step 4: Simplify right side
    115,917,869.10x = 18,632,461,394,261,648
  5. Step 5: Solve for x
    x = 18,632,461,394,261,648/115,917,869.10
  6. Step 6: Final answer
    x = 160,738,474.05

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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.