Home / 109,274,079.20-163,698,542.40-66,014,781.80

Finding the Fourth Proportional to 109,274,079.20, 163,698,542.40 and 66,014,781.80

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Solution

The fourth proportional to 109,274,079.20, 163,698,542.40 and 66,014,781.80 is: 98,893,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,274,079.20 : 163,698,542.40 = 66,014,781.80 : x
  2. Step 2: Convert to fraction form
    109,274,079.20/163,698,542.40 = 66,014,781.80/x
  3. Step 3: Cross multiply
    109,274,079.20x = 163,698,542.40 × 66,014,781.80
  4. Step 4: Simplify right side
    109,274,079.20x = 10,806,523,557,514,048
  5. Step 5: Solve for x
    x = 10,806,523,557,514,048/109,274,079.20
  6. Step 6: Final answer
    x = 98,893,750.80

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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.