Home / 115,157,797.02-158,917,747.77-62,947,040.58

Finding the Fourth Proportional to 115,157,797.02, 158,917,747.77 and 62,947,040.58

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Solution

The fourth proportional to 115,157,797.02, 158,917,747.77 and 62,947,040.58 is: 86,866,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,157,797.02 : 158,917,747.77 = 62,947,040.58 : x
  2. Step 2: Convert to fraction form
    115,157,797.02/158,917,747.77 = 62,947,040.58/x
  3. Step 3: Cross multiply
    115,157,797.02x = 158,917,747.77 × 62,947,040.58
  4. Step 4: Simplify right side
    115,157,797.02x = 10,003,401,917,760,394
  5. Step 5: Solve for x
    x = 10,003,401,917,760,394/115,157,797.02
  6. Step 6: Final answer
    x = 86,866,909.38

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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.