Home / 38,216,631.31-57,268,259.88-28,069,651.15

Finding the Fourth Proportional to 38,216,631.31, 57,268,259.88 and 28,069,651.15

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Solution

The fourth proportional to 38,216,631.31, 57,268,259.88 and 28,069,651.15 is: 42,062,840.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,216,631.31 : 57,268,259.88 = 28,069,651.15 : x
  2. Step 2: Convert to fraction form
    38,216,631.31/57,268,259.88 = 28,069,651.15/x
  3. Step 3: Cross multiply
    38,216,631.31x = 57,268,259.88 × 28,069,651.15
  4. Step 4: Simplify right side
    38,216,631.31x = 1,607,500,076,799,140.75
  5. Step 5: Solve for x
    x = 1,607,500,076,799,140.75/38,216,631.31
  6. Step 6: Final answer
    x = 42,062,840.75

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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.