Home / 66,666,638.74-99,800,721.63-40,325,759.14

Finding the Fourth Proportional to 66,666,638.74, 99,800,721.63 and 40,325,759.14

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Solution

The fourth proportional to 66,666,638.74, 99,800,721.63 and 40,325,759.14 is: 60,368,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,666,638.74 : 99,800,721.63 = 40,325,759.14 : x
  2. Step 2: Convert to fraction form
    66,666,638.74/99,800,721.63 = 40,325,759.14/x
  3. Step 3: Cross multiply
    66,666,638.74x = 99,800,721.63 × 40,325,759.14
  4. Step 4: Simplify right side
    66,666,638.74x = 4,024,539,862,449,568
  5. Step 5: Solve for x
    x = 4,024,539,862,449,568/66,666,638.74
  6. Step 6: Final answer
    x = 60,368,123.22

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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.