Home / 77,704,539.44-107,229,447.96-42,896,480.72

Finding the Fourth Proportional to 77,704,539.44, 107,229,447.96 and 42,896,480.72

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Solution

The fourth proportional to 77,704,539.44, 107,229,447.96 and 42,896,480.72 is: 59,195,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,704,539.44 : 107,229,447.96 = 42,896,480.72 : x
  2. Step 2: Convert to fraction form
    77,704,539.44/107,229,447.96 = 42,896,480.72/x
  3. Step 3: Cross multiply
    77,704,539.44x = 107,229,447.96 × 42,896,480.72
  4. Step 4: Simplify right side
    77,704,539.44x = 4,599,765,947,032,383
  5. Step 5: Solve for x
    x = 4,599,765,947,032,383/77,704,539.44
  6. Step 6: Final answer
    x = 59,195,588.57

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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.