Home / 45,182,879.20-67,732,328.40-31,535,999.20

Finding the Fourth Proportional to 45,182,879.20, 67,732,328.40 and 31,535,999.20

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Solution

The fourth proportional to 45,182,879.20, 67,732,328.40 and 31,535,999.20 is: 47,274,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,182,879.20 : 67,732,328.40 = 31,535,999.20 : x
  2. Step 2: Convert to fraction form
    45,182,879.20/67,732,328.40 = 31,535,999.20/x
  3. Step 3: Cross multiply
    45,182,879.20x = 67,732,328.40 × 31,535,999.20
  4. Step 4: Simplify right side
    45,182,879.20x = 2,136,006,654,236,537.50
  5. Step 5: Solve for x
    x = 2,136,006,654,236,537.50/45,182,879.20
  6. Step 6: Final answer
    x = 47,274,691.03

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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.