Home / 79,356,384.21-109,505,764.31-44,542,348.71

Finding the Fourth Proportional to 79,356,384.21, 109,505,764.31 and 44,542,348.71

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Solution

The fourth proportional to 79,356,384.21, 109,505,764.31 and 44,542,348.71 is: 61,465,047.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,356,384.21 : 109,505,764.31 = 44,542,348.71 : x
  2. Step 2: Convert to fraction form
    79,356,384.21/109,505,764.31 = 44,542,348.71/x
  3. Step 3: Cross multiply
    79,356,384.21x = 109,505,764.31 × 44,542,348.71
  4. Step 4: Simplify right side
    79,356,384.21x = 4,877,643,939,428,381
  5. Step 5: Solve for x
    x = 4,877,643,939,428,381/79,356,384.21
  6. Step 6: Final answer
    x = 61,465,047.68

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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.