Home / 108,630,952.47-149,906,151.12-61,591,190.47

Finding the Fourth Proportional to 108,630,952.47, 149,906,151.12 and 61,591,190.47

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Solution

The fourth proportional to 108,630,952.47, 149,906,151.12 and 61,591,190.47 is: 84,993,255.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,630,952.47 : 149,906,151.12 = 61,591,190.47 : x
  2. Step 2: Convert to fraction form
    108,630,952.47/149,906,151.12 = 61,591,190.47/x
  3. Step 3: Cross multiply
    108,630,952.47x = 149,906,151.12 × 61,591,190.47
  4. Step 4: Simplify right side
    108,630,952.47x = 9,232,898,306,112,726
  5. Step 5: Solve for x
    x = 9,232,898,306,112,726/108,630,952.47
  6. Step 6: Final answer
    x = 84,993,255.57

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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.