Home / 87,022,290.75-120,093,033.29-47,865,094.58

Finding the Fourth Proportional to 87,022,290.75, 120,093,033.29 and 47,865,094.58

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Solution

The fourth proportional to 87,022,290.75, 120,093,033.29 and 47,865,094.58 is: 66,055,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,022,290.75 : 120,093,033.29 = 47,865,094.58 : x
  2. Step 2: Convert to fraction form
    87,022,290.75/120,093,033.29 = 47,865,094.58/x
  3. Step 3: Cross multiply
    87,022,290.75x = 120,093,033.29 × 47,865,094.58
  4. Step 4: Simplify right side
    87,022,290.75x = 5,748,264,395,985,148
  5. Step 5: Solve for x
    x = 5,748,264,395,985,148/87,022,290.75
  6. Step 6: Final answer
    x = 66,055,080.22

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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.