Home / 77,217,458.56-106,534,166.42-43,722,368.33

Finding the Fourth Proportional to 77,217,458.56, 106,534,166.42 and 43,722,368.33

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Solution

The fourth proportional to 77,217,458.56, 106,534,166.42 and 43,722,368.33 is: 60,322,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,217,458.56 : 106,534,166.42 = 43,722,368.33 : x
  2. Step 2: Convert to fraction form
    77,217,458.56/106,534,166.42 = 43,722,368.33/x
  3. Step 3: Cross multiply
    77,217,458.56x = 106,534,166.42 × 43,722,368.33
  4. Step 4: Simplify right side
    77,217,458.56x = 4,657,926,063,521,393
  5. Step 5: Solve for x
    x = 4,657,926,063,521,393/77,217,458.56
  6. Step 6: Final answer
    x = 60,322,188.15

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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.