Home / 72,405,342.30-108,579,145.05-23,869,688.70

Finding the Fourth Proportional to 72,405,342.30, 108,579,145.05 and 23,869,688.70

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Solution

The fourth proportional to 72,405,342.30, 108,579,145.05 and 23,869,688.70 is: 35,795,016.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,405,342.30 : 108,579,145.05 = 23,869,688.70 : x
  2. Step 2: Convert to fraction form
    72,405,342.30/108,579,145.05 = 23,869,688.70/x
  3. Step 3: Cross multiply
    72,405,342.30x = 108,579,145.05 × 23,869,688.70
  4. Step 4: Simplify right side
    72,405,342.30x = 2,591,750,391,655,646
  5. Step 5: Solve for x
    x = 2,591,750,391,655,646/72,405,342.30
  6. Step 6: Final answer
    x = 35,795,016.08

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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.