Home / 81,254,093.66-121,879,728.80-32,730,707.10

Finding the Fourth Proportional to 81,254,093.66, 121,879,728.80 and 32,730,707.10

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Solution

The fourth proportional to 81,254,093.66, 121,879,728.80 and 32,730,707.10 is: 49,095,491.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,254,093.66 : 121,879,728.80 = 32,730,707.10 : x
  2. Step 2: Convert to fraction form
    81,254,093.66/121,879,728.80 = 32,730,707.10/x
  3. Step 3: Cross multiply
    81,254,093.66x = 121,879,728.80 × 32,730,707.10
  4. Step 4: Simplify right side
    81,254,093.66x = 3,989,209,704,780,234.50
  5. Step 5: Solve for x
    x = 3,989,209,704,780,234.50/81,254,093.66
  6. Step 6: Final answer
    x = 49,095,491.99

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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.