Home / 86,248,933.60-129,373,400.40-28,743,080.80

Finding the Fourth Proportional to 86,248,933.60, 129,373,400.40 and 28,743,080.80

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Solution

The fourth proportional to 86,248,933.60, 129,373,400.40 and 28,743,080.80 is: 43,114,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,248,933.60 : 129,373,400.40 = 28,743,080.80 : x
  2. Step 2: Convert to fraction form
    86,248,933.60/129,373,400.40 = 28,743,080.80/x
  3. Step 3: Cross multiply
    86,248,933.60x = 129,373,400.40 × 28,743,080.80
  4. Step 4: Simplify right side
    86,248,933.60x = 3,718,590,101,067,952.50
  5. Step 5: Solve for x
    x = 3,718,590,101,067,952.50/86,248,933.60
  6. Step 6: Final answer
    x = 43,114,621.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.