Home / 108,833,016.48-150,200,171.28-81,283,115.04

Finding the Fourth Proportional to 108,833,016.48, 150,200,171.28 and 81,283,115.04

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Solution

The fourth proportional to 108,833,016.48, 150,200,171.28 and 81,283,115.04 is: 112,178,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,833,016.48 : 150,200,171.28 = 81,283,115.04 : x
  2. Step 2: Convert to fraction form
    108,833,016.48/150,200,171.28 = 81,283,115.04/x
  3. Step 3: Cross multiply
    108,833,016.48x = 150,200,171.28 × 81,283,115.04
  4. Step 4: Simplify right side
    108,833,016.48x = 12,208,737,801,179,946
  5. Step 5: Solve for x
    x = 12,208,737,801,179,946/108,833,016.48
  6. Step 6: Final answer
    x = 112,178,621.86

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1.5x scale

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.