Home / 38,193,094.80-57,205,661.40-20,221,203.60

Finding the Fourth Proportional to 38,193,094.80, 57,205,661.40 and 20,221,203.60

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Solution

The fourth proportional to 38,193,094.80, 57,205,661.40 and 20,221,203.60 is: 30,287,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,193,094.80 : 57,205,661.40 = 20,221,203.60 : x
  2. Step 2: Convert to fraction form
    38,193,094.80/57,205,661.40 = 20,221,203.60/x
  3. Step 3: Cross multiply
    38,193,094.80x = 57,205,661.40 × 20,221,203.60
  4. Step 4: Simplify right side
    38,193,094.80x = 1,156,767,326,242,061
  5. Step 5: Solve for x
    x = 1,156,767,326,242,061/38,193,094.80
  6. Step 6: Final answer
    x = 30,287,342.05

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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.