Home / 108,219,928.08-149,339,498.28-58,659,237.66

Finding the Fourth Proportional to 108,219,928.08, 149,339,498.28 and 58,659,237.66

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Solution

The fourth proportional to 108,219,928.08, 149,339,498.28 and 58,659,237.66 is: 80,947,578.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,219,928.08 : 149,339,498.28 = 58,659,237.66 : x
  2. Step 2: Convert to fraction form
    108,219,928.08/149,339,498.28 = 58,659,237.66/x
  3. Step 3: Cross multiply
    108,219,928.08x = 149,339,498.28 × 58,659,237.66
  4. Step 4: Simplify right side
    108,219,928.08x = 8,760,141,121,631,681
  5. Step 5: Solve for x
    x = 8,760,141,121,631,681/108,219,928.08
  6. Step 6: Final answer
    x = 80,947,578.48

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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.