Home / 86,629,600.20-129,944,400.30-69,623,488.20

Finding the Fourth Proportional to 86,629,600.20, 129,944,400.30 and 69,623,488.20

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Solution

The fourth proportional to 86,629,600.20, 129,944,400.30 and 69,623,488.20 is: 104,435,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,629,600.20 : 129,944,400.30 = 69,623,488.20 : x
  2. Step 2: Convert to fraction form
    86,629,600.20/129,944,400.30 = 69,623,488.20/x
  3. Step 3: Cross multiply
    86,629,600.20x = 129,944,400.30 × 69,623,488.20
  4. Step 4: Simplify right side
    86,629,600.20x = 9,047,182,420,943,126
  5. Step 5: Solve for x
    x = 9,047,182,420,943,126/86,629,600.20
  6. Step 6: Final answer
    x = 104,435,232.30

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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.