Home / 72,891,361-100,592,177.70-40,298,412.52

Finding the Fourth Proportional to 72,891,361, 100,592,177.70 and 40,298,412.52

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Solution

The fourth proportional to 72,891,361, 100,592,177.70 and 40,298,412.52 is: 55,612,970.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,891,361 : 100,592,177.70 = 40,298,412.52 : x
  2. Step 2: Convert to fraction form
    72,891,361/100,592,177.70 = 40,298,412.52/x
  3. Step 3: Cross multiply
    72,891,361x = 100,592,177.70 × 40,298,412.52
  4. Step 4: Simplify right side
    72,891,361x = 4,053,705,073,239,745.50
  5. Step 5: Solve for x
    x = 4,053,705,073,239,745.50/72,891,361
  6. Step 6: Final answer
    x = 55,612,970.01

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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.