Home / 88,036,352.68-121,405,736.10-56,642,359.72

Finding the Fourth Proportional to 88,036,352.68, 121,405,736.10 and 56,642,359.72

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Solution

The fourth proportional to 88,036,352.68, 121,405,736.10 and 56,642,359.72 is: 78,112,133.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,036,352.68 : 121,405,736.10 = 56,642,359.72 : x
  2. Step 2: Convert to fraction form
    88,036,352.68/121,405,736.10 = 56,642,359.72/x
  3. Step 3: Cross multiply
    88,036,352.68x = 121,405,736.10 × 56,642,359.72
  4. Step 4: Simplify right side
    88,036,352.68x = 6,876,707,376,247,589
  5. Step 5: Solve for x
    x = 6,876,707,376,247,589/88,036,352.68
  6. Step 6: Final answer
    x = 78,112,133.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.