Home / 108,630,958.47-149,906,159.40-61,591,196.49

Finding the Fourth Proportional to 108,630,958.47, 149,906,159.40 and 61,591,196.49

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Solution

The fourth proportional to 108,630,958.47, 149,906,159.40 and 61,591,196.49 is: 84,993,263.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,630,958.47 : 149,906,159.40 = 61,591,196.49 : x
  2. Step 2: Convert to fraction form
    108,630,958.47/149,906,159.40 = 61,591,196.49/x
  3. Step 3: Cross multiply
    108,630,958.47x = 149,906,159.40 × 61,591,196.49
  4. Step 4: Simplify right side
    108,630,958.47x = 9,232,899,718,666,662
  5. Step 5: Solve for x
    x = 9,232,899,718,666,662/108,630,958.47
  6. Step 6: Final answer
    x = 84,993,263.88

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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.