Home / 66,223,074.57-99,350,511.36-20,784,869.07

Finding the Fourth Proportional to 66,223,074.57, 99,350,511.36 and 20,784,869.07

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Solution

The fourth proportional to 66,223,074.57, 99,350,511.36 and 20,784,869.07 is: 31,182,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,223,074.57 : 99,350,511.36 = 20,784,869.07 : x
  2. Step 2: Convert to fraction form
    66,223,074.57/99,350,511.36 = 20,784,869.07/x
  3. Step 3: Cross multiply
    66,223,074.57x = 99,350,511.36 × 20,784,869.07
  4. Step 4: Simplify right side
    66,223,074.57x = 2,064,987,370,655,147.75
  5. Step 5: Solve for x
    x = 2,064,987,370,655,147.75/66,223,074.57
  6. Step 6: Final answer
    x = 31,182,293.85

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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.