Home / 431,245,675.20-646,952,493.60-124,547,793.60

Finding the Fourth Proportional to 431,245,675.20, 646,952,493.60 and 124,547,793.60

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Solution

The fourth proportional to 431,245,675.20, 646,952,493.60 and 124,547,793.60 is: 186,845,944.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,245,675.20 : 646,952,493.60 = 124,547,793.60 : x
  2. Step 2: Convert to fraction form
    431,245,675.20/646,952,493.60 = 124,547,793.60/x
  3. Step 3: Cross multiply
    431,245,675.20x = 646,952,493.60 × 124,547,793.60
  4. Step 4: Simplify right side
    431,245,675.20x = 80,576,505,641,898,128
  5. Step 5: Solve for x
    x = 80,576,505,641,898,128/431,245,675.20
  6. Step 6: Final answer
    x = 186,845,944.84

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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.