Home / 108,543,187.40-162,765,014.70-47,927,712.20

Finding the Fourth Proportional to 108,543,187.40, 162,765,014.70 and 47,927,712.20

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Solution

The fourth proportional to 108,543,187.40, 162,765,014.70 and 47,927,712.20 is: 71,869,593.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,543,187.40 : 162,765,014.70 = 47,927,712.20 : x
  2. Step 2: Convert to fraction form
    108,543,187.40/162,765,014.70 = 47,927,712.20/x
  3. Step 3: Cross multiply
    108,543,187.40x = 162,765,014.70 × 47,927,712.20
  4. Step 4: Simplify right side
    108,543,187.40x = 7,800,954,780,770,369
  5. Step 5: Solve for x
    x = 7,800,954,780,770,369/108,543,187.40
  6. Step 6: Final answer
    x = 71,869,593.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.