Home / 72,183,822.80-108,275,734.20-56,059,509.20

Finding the Fourth Proportional to 72,183,822.80, 108,275,734.20 and 56,059,509.20

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Solution

The fourth proportional to 72,183,822.80, 108,275,734.20 and 56,059,509.20 is: 84,089,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,822.80 : 108,275,734.20 = 56,059,509.20 : x
  2. Step 2: Convert to fraction form
    72,183,822.80/108,275,734.20 = 56,059,509.20/x
  3. Step 3: Cross multiply
    72,183,822.80x = 108,275,734.20 × 56,059,509.20
  4. Step 4: Simplify right side
    72,183,822.80x = 6,069,884,517,521,655
  5. Step 5: Solve for x
    x = 6,069,884,517,521,655/72,183,822.80
  6. Step 6: Final answer
    x = 84,089,263.80

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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.