Home / 81,862,993.20-122,796,458.10-24,357,140.40

Finding the Fourth Proportional to 81,862,993.20, 122,796,458.10 and 24,357,140.40

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Solution

The fourth proportional to 81,862,993.20, 122,796,458.10 and 24,357,140.40 is: 36,536,296.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,862,993.20 : 122,796,458.10 = 24,357,140.40 : x
  2. Step 2: Convert to fraction form
    81,862,993.20/122,796,458.10 = 24,357,140.40/x
  3. Step 3: Cross multiply
    81,862,993.20x = 122,796,458.10 × 24,357,140.40
  4. Step 4: Simplify right side
    81,862,993.20x = 2,990,970,570,564,417
  5. Step 5: Solve for x
    x = 2,990,970,570,564,417/81,862,993.20
  6. Step 6: Final answer
    x = 36,536,296.24

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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.