Home / 485,118,617.60-727,772,404.80-140,083,500.80

Finding the Fourth Proportional to 485,118,617.60, 727,772,404.80 and 140,083,500.80

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Solution

The fourth proportional to 485,118,617.60, 727,772,404.80 and 140,083,500.80 is: 210,152,532.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,118,617.60 : 727,772,404.80 = 140,083,500.80 : x
  2. Step 2: Convert to fraction form
    485,118,617.60/727,772,404.80 = 140,083,500.80/x
  3. Step 3: Cross multiply
    485,118,617.60x = 727,772,404.80 × 140,083,500.80
  4. Step 4: Simplify right side
    485,118,617.60x = 101,948,906,250,018,720
  5. Step 5: Solve for x
    x = 101,948,906,250,018,720/485,118,617.60
  6. Step 6: Final answer
    x = 210,152,532.91

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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.