Home / 86,228,131.80-129,129,621.30-57,317,741.40

Finding the Fourth Proportional to 86,228,131.80, 129,129,621.30 and 57,317,741.40

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Solution

The fourth proportional to 86,228,131.80, 129,129,621.30 and 57,317,741.40 is: 85,835,307.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,228,131.80 : 129,129,621.30 = 57,317,741.40 : x
  2. Step 2: Convert to fraction form
    86,228,131.80/129,129,621.30 = 57,317,741.40/x
  3. Step 3: Cross multiply
    86,228,131.80x = 129,129,621.30 × 57,317,741.40
  4. Step 4: Simplify right side
    86,228,131.80x = 7,401,418,240,753,331
  5. Step 5: Solve for x
    x = 7,401,418,240,753,331/86,228,131.80
  6. Step 6: Final answer
    x = 85,835,307.88

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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.