Home / 66,455,834.33-99,694,380.35-28,117,680.59

Finding the Fourth Proportional to 66,455,834.33, 99,694,380.35 and 28,117,680.59

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Solution

The fourth proportional to 66,455,834.33, 99,694,380.35 and 28,117,680.59 is: 42,181,017.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,455,834.33 : 99,694,380.35 = 28,117,680.59 : x
  2. Step 2: Convert to fraction form
    66,455,834.33/99,694,380.35 = 28,117,680.59/x
  3. Step 3: Cross multiply
    66,455,834.33x = 99,694,380.35 × 28,117,680.59
  4. Step 4: Simplify right side
    66,455,834.33x = 2,803,174,743,618,803
  5. Step 5: Solve for x
    x = 2,803,174,743,618,803/66,455,834.33
  6. Step 6: Final answer
    x = 42,181,017.99

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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.