Home / 78,782,246.19-108,737,639.87-46,197,695.79

Finding the Fourth Proportional to 78,782,246.19, 108,737,639.87 and 46,197,695.79

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Solution

The fourth proportional to 78,782,246.19, 108,737,639.87 and 46,197,695.79 is: 63,763,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,782,246.19 : 108,737,639.87 = 46,197,695.79 : x
  2. Step 2: Convert to fraction form
    78,782,246.19/108,737,639.87 = 46,197,695.79/x
  3. Step 3: Cross multiply
    78,782,246.19x = 108,737,639.87 × 46,197,695.79
  4. Step 4: Simplify right side
    78,782,246.19x = 5,023,428,407,405,846
  5. Step 5: Solve for x
    x = 5,023,428,407,405,846/78,782,246.19
  6. Step 6: Final answer
    x = 63,763,457.51

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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.