Home / 53,851,640.80-80,777,461.20-45,348,584.80

Finding the Fourth Proportional to 53,851,640.80, 80,777,461.20 and 45,348,584.80

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Solution

The fourth proportional to 53,851,640.80, 80,777,461.20 and 45,348,584.80 is: 68,022,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,851,640.80 : 80,777,461.20 = 45,348,584.80 : x
  2. Step 2: Convert to fraction form
    53,851,640.80/80,777,461.20 = 45,348,584.80/x
  3. Step 3: Cross multiply
    53,851,640.80x = 80,777,461.20 × 45,348,584.80
  4. Step 4: Simplify right side
    53,851,640.80x = 3,663,143,549,156,909.50
  5. Step 5: Solve for x
    x = 3,663,143,549,156,909.50/53,851,640.80
  6. Step 6: Final answer
    x = 68,022,877.20

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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.