Home / 115,062,843.12-158,786,717.40-62,139,546.32

Finding the Fourth Proportional to 115,062,843.12, 158,786,717.40 and 62,139,546.32

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Solution

The fourth proportional to 115,062,843.12, 158,786,717.40 and 62,139,546.32 is: 85,752,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,062,843.12 : 158,786,717.40 = 62,139,546.32 : x
  2. Step 2: Convert to fraction form
    115,062,843.12/158,786,717.40 = 62,139,546.32/x
  3. Step 3: Cross multiply
    115,062,843.12x = 158,786,717.40 × 62,139,546.32
  4. Step 4: Simplify right side
    115,062,843.12x = 9,866,934,580,878,050
  5. Step 5: Solve for x
    x = 9,866,934,580,878,050/115,062,843.12
  6. Step 6: Final answer
    x = 85,752,570.62

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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.