Home / 78,782,109.32-108,737,450.71-46,197,558.92

Finding the Fourth Proportional to 78,782,109.32, 108,737,450.71 and 46,197,558.92

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Solution

The fourth proportional to 78,782,109.32, 108,737,450.71 and 46,197,558.92 is: 63,763,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,782,109.32 : 108,737,450.71 = 46,197,558.92 : x
  2. Step 2: Convert to fraction form
    78,782,109.32/108,737,450.71 = 46,197,558.92/x
  3. Step 3: Cross multiply
    78,782,109.32x = 108,737,450.71 × 46,197,558.92
  4. Step 4: Simplify right side
    78,782,109.32x = 5,023,404,785,326,639
  5. Step 5: Solve for x
    x = 5,023,404,785,326,639/78,782,109.32
  6. Step 6: Final answer
    x = 63,763,268.45

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