Home / 86,995,936.58-120,062,042.25-47,844,612.50

Finding the Fourth Proportional to 86,995,936.58, 120,062,042.25 and 47,844,612.50

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Solution

The fourth proportional to 86,995,936.58, 120,062,042.25 and 47,844,612.50 is: 66,029,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,995,936.58 : 120,062,042.25 = 47,844,612.50 : x
  2. Step 2: Convert to fraction form
    86,995,936.58/120,062,042.25 = 47,844,612.50/x
  3. Step 3: Cross multiply
    86,995,936.58x = 120,062,042.25 × 47,844,612.50
  4. Step 4: Simplify right side
    86,995,936.58x = 5,744,321,887,409,878
  5. Step 5: Solve for x
    x = 5,744,321,887,409,878/86,995,936.58
  6. Step 6: Final answer
    x = 66,029,772.35

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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.