Home / 127,975,617.10-192,018,727.46-68,818,854.66

Finding the Fourth Proportional to 127,975,617.10, 192,018,727.46 and 68,818,854.66

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Solution

The fourth proportional to 127,975,617.10, 192,018,727.46 and 68,818,854.66 is: 103,258,020.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,975,617.10 : 192,018,727.46 = 68,818,854.66 : x
  2. Step 2: Convert to fraction form
    127,975,617.10/192,018,727.46 = 68,818,854.66/x
  3. Step 3: Cross multiply
    127,975,617.10x = 192,018,727.46 × 68,818,854.66
  4. Step 4: Simplify right side
    127,975,617.10x = 13,214,508,897,067,890
  5. Step 5: Solve for x
    x = 13,214,508,897,067,890/127,975,617.10
  6. Step 6: Final answer
    x = 103,258,020.52

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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.