Home / 43,456,825.20-65,185,237.80-28,340,281.20

Finding the Fourth Proportional to 43,456,825.20, 65,185,237.80 and 28,340,281.20

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Solution

The fourth proportional to 43,456,825.20, 65,185,237.80 and 28,340,281.20 is: 42,510,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,456,825.20 : 65,185,237.80 = 28,340,281.20 : x
  2. Step 2: Convert to fraction form
    43,456,825.20/65,185,237.80 = 28,340,281.20/x
  3. Step 3: Cross multiply
    43,456,825.20x = 65,185,237.80 × 28,340,281.20
  4. Step 4: Simplify right side
    43,456,825.20x = 1,847,367,969,340,869.25
  5. Step 5: Solve for x
    x = 1,847,367,969,340,869.25/43,456,825.20
  6. Step 6: Final answer
    x = 42,510,421.80

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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.