Home / 72,183,732.30-108,275,598.45-56,059,418.70

Finding the Fourth Proportional to 72,183,732.30, 108,275,598.45 and 56,059,418.70

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Solution

The fourth proportional to 72,183,732.30, 108,275,598.45 and 56,059,418.70 is: 84,089,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,732.30 : 108,275,598.45 = 56,059,418.70 : x
  2. Step 2: Convert to fraction form
    72,183,732.30/108,275,598.45 = 56,059,418.70/x
  3. Step 3: Cross multiply
    72,183,732.30x = 108,275,598.45 × 56,059,418.70
  4. Step 4: Simplify right side
    72,183,732.30x = 6,069,867,108,501,622
  5. Step 5: Solve for x
    x = 6,069,867,108,501,622/72,183,732.30
  6. Step 6: Final answer
    x = 84,089,128.05

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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.