Home / 66,435,008.55-99,652,512.83-30,603,200.55

Finding the Fourth Proportional to 66,435,008.55, 99,652,512.83 and 30,603,200.55

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Solution

The fourth proportional to 66,435,008.55, 99,652,512.83 and 30,603,200.55 is: 45,904,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,435,008.55 : 99,652,512.83 = 30,603,200.55 : x
  2. Step 2: Convert to fraction form
    66,435,008.55/99,652,512.83 = 30,603,200.55/x
  3. Step 3: Cross multiply
    66,435,008.55x = 99,652,512.83 × 30,603,200.55
  4. Step 4: Simplify right side
    66,435,008.55x = 3,049,685,835,294,922
  5. Step 5: Solve for x
    x = 3,049,685,835,294,922/66,435,008.55
  6. Step 6: Final answer
    x = 45,904,800.83

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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.