Home / 278,461,453.32-417,692,257.34-103,561,635.24

Finding the Fourth Proportional to 278,461,453.32, 417,692,257.34 and 103,561,635.24

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Solution

The fourth proportional to 278,461,453.32, 417,692,257.34 and 103,561,635.24 is: 155,342,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,461,453.32 : 417,692,257.34 = 103,561,635.24 : x
  2. Step 2: Convert to fraction form
    278,461,453.32/417,692,257.34 = 103,561,635.24/x
  3. Step 3: Cross multiply
    278,461,453.32x = 417,692,257.34 × 103,561,635.24
  4. Step 4: Simplify right side
    278,461,453.32x = 43,256,893,196,699,480
  5. Step 5: Solve for x
    x = 43,256,893,196,699,480/278,461,453.32
  6. Step 6: Final answer
    x = 155,342,481.63

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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.