Home / 60,761,381.45-91,150,080.54-19,806,471.27

Finding the Fourth Proportional to 60,761,381.45, 91,150,080.54 and 19,806,471.27

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Solution

The fourth proportional to 60,761,381.45, 91,150,080.54 and 19,806,471.27 is: 29,712,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,761,381.45 : 91,150,080.54 = 19,806,471.27 : x
  2. Step 2: Convert to fraction form
    60,761,381.45/91,150,080.54 = 19,806,471.27/x
  3. Step 3: Cross multiply
    60,761,381.45x = 91,150,080.54 × 19,806,471.27
  4. Step 4: Simplify right side
    60,761,381.45x = 1,805,361,451,399,421.75
  5. Step 5: Solve for x
    x = 1,805,361,451,399,421.75/60,761,381.45
  6. Step 6: Final answer
    x = 29,712,317.40

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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.