Home / 108,630,955.47-149,906,155.26-61,591,193.48

Finding the Fourth Proportional to 108,630,955.47, 149,906,155.26 and 61,591,193.48

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Solution

The fourth proportional to 108,630,955.47, 149,906,155.26 and 61,591,193.48 is: 84,993,259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,630,955.47 : 149,906,155.26 = 61,591,193.48 : x
  2. Step 2: Convert to fraction form
    108,630,955.47/149,906,155.26 = 61,591,193.48/x
  3. Step 3: Cross multiply
    108,630,955.47x = 149,906,155.26 × 61,591,193.48
  4. Step 4: Simplify right side
    108,630,955.47x = 9,232,899,011,712,048
  5. Step 5: Solve for x
    x = 9,232,899,011,712,048/108,630,955.47
  6. Step 6: Final answer
    x = 84,993,259.72

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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.