Home / 45,317,732.02-67,976,536.48-21,043,385.22

Finding the Fourth Proportional to 45,317,732.02, 67,976,536.48 and 21,043,385.22

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Solution

The fourth proportional to 45,317,732.02, 67,976,536.48 and 21,043,385.22 is: 31,565,049.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,317,732.02 : 67,976,536.48 = 21,043,385.22 : x
  2. Step 2: Convert to fraction form
    45,317,732.02/67,976,536.48 = 21,043,385.22/x
  3. Step 3: Cross multiply
    45,317,732.02x = 67,976,536.48 × 21,043,385.22
  4. Step 4: Simplify right side
    45,317,732.02x = 1,430,456,443,070,022.75
  5. Step 5: Solve for x
    x = 1,430,456,443,070,022.75/45,317,732.02
  6. Step 6: Final answer
    x = 31,565,049.25

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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.