Home / 78,067,391.00-107,733,641.42-43,260,662.70

Finding the Fourth Proportional to 78,067,391.00, 107,733,641.42 and 43,260,662.70

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Solution

The fourth proportional to 78,067,391.00, 107,733,641.42 and 43,260,662.70 is: 59,700,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,067,391.00 : 107,733,641.42 = 43,260,662.70 : x
  2. Step 2: Convert to fraction form
    78,067,391.00/107,733,641.42 = 43,260,662.70/x
  3. Step 3: Cross multiply
    78,067,391.00x = 107,733,641.42 × 43,260,662.70
  4. Step 4: Simplify right side
    78,067,391.00x = 4,660,628,723,021,521
  5. Step 5: Solve for x
    x = 4,660,628,723,021,521/78,067,391.00
  6. Step 6: Final answer
    x = 59,700,070.20

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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.