Home / 57,062,736.15-78,746,604.39-30,957,247.07

Finding the Fourth Proportional to 57,062,736.15, 78,746,604.39 and 30,957,247.07

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Solution

The fourth proportional to 57,062,736.15, 78,746,604.39 and 30,957,247.07 is: 42,721,016.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,062,736.15 : 78,746,604.39 = 30,957,247.07 : x
  2. Step 2: Convert to fraction form
    57,062,736.15/78,746,604.39 = 30,957,247.07/x
  3. Step 3: Cross multiply
    57,062,736.15x = 78,746,604.39 × 30,957,247.07
  4. Step 4: Simplify right side
    57,062,736.15x = 2,437,778,087,631,043.50
  5. Step 5: Solve for x
    x = 2,437,778,087,631,043.50/57,062,736.15
  6. Step 6: Final answer
    x = 42,721,016.41

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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.