Home / 78,542,453.56-117,758,939.58-34,799,435.48

Finding the Fourth Proportional to 78,542,453.56, 117,758,939.58 and 34,799,435.48

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Solution

The fourth proportional to 78,542,453.56, 117,758,939.58 and 34,799,435.48 is: 52,174,899.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,542,453.56 : 117,758,939.58 = 34,799,435.48 : x
  2. Step 2: Convert to fraction form
    78,542,453.56/117,758,939.58 = 34,799,435.48/x
  3. Step 3: Cross multiply
    78,542,453.56x = 117,758,939.58 × 34,799,435.48
  4. Step 4: Simplify right side
    78,542,453.56x = 4,097,944,620,107,428
  5. Step 5: Solve for x
    x = 4,097,944,620,107,428/78,542,453.56
  6. Step 6: Final answer
    x = 52,174,899.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.