Home / 115,055,122.61-158,775,017.50-62,844,142.61

Finding the Fourth Proportional to 115,055,122.61, 158,775,017.50 and 62,844,142.61

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Solution

The fourth proportional to 115,055,122.61, 158,775,017.50 and 62,844,142.61 is: 86,724,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,055,122.61 : 158,775,017.50 = 62,844,142.61 : x
  2. Step 2: Convert to fraction form
    115,055,122.61/158,775,017.50 = 62,844,142.61/x
  3. Step 3: Cross multiply
    115,055,122.61x = 158,775,017.50 × 62,844,142.61
  4. Step 4: Simplify right side
    115,055,122.61x = 9,978,079,843,150,738
  5. Step 5: Solve for x
    x = 9,978,079,843,150,738/115,055,122.61
  6. Step 6: Final answer
    x = 86,724,342.36

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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.