Home / 72,183,781.60-108,275,672.40-33,920,029.60

Finding the Fourth Proportional to 72,183,781.60, 108,275,672.40 and 33,920,029.60

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Solution

The fourth proportional to 72,183,781.60, 108,275,672.40 and 33,920,029.60 is: 50,880,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,781.60 : 108,275,672.40 = 33,920,029.60 : x
  2. Step 2: Convert to fraction form
    72,183,781.60/108,275,672.40 = 33,920,029.60/x
  3. Step 3: Cross multiply
    72,183,781.60x = 108,275,672.40 × 33,920,029.60
  4. Step 4: Simplify right side
    72,183,781.60x = 3,672,714,012,767,903.50
  5. Step 5: Solve for x
    x = 3,672,714,012,767,903.50/72,183,781.60
  6. Step 6: Final answer
    x = 50,880,044.40

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Double scale
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Similar ratio
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1.5x scale

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.