Home / 72,183,844.80-108,275,767.20-56,059,531.20

Finding the Fourth Proportional to 72,183,844.80, 108,275,767.20 and 56,059,531.20

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Solution

The fourth proportional to 72,183,844.80, 108,275,767.20 and 56,059,531.20 is: 84,089,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,844.80 : 108,275,767.20 = 56,059,531.20 : x
  2. Step 2: Convert to fraction form
    72,183,844.80/108,275,767.20 = 56,059,531.20/x
  3. Step 3: Cross multiply
    72,183,844.80x = 108,275,767.20 × 56,059,531.20
  4. Step 4: Simplify right side
    72,183,844.80x = 6,069,888,749,552,337
  5. Step 5: Solve for x
    x = 6,069,888,749,552,337/72,183,844.80
  6. Step 6: Final answer
    x = 84,089,296.80

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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.