Home / 66,435,024.80-99,652,537.20-30,603,216.80

Finding the Fourth Proportional to 66,435,024.80, 99,652,537.20 and 30,603,216.80

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Solution

The fourth proportional to 66,435,024.80, 99,652,537.20 and 30,603,216.80 is: 45,904,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,435,024.80 : 99,652,537.20 = 30,603,216.80 : x
  2. Step 2: Convert to fraction form
    66,435,024.80/99,652,537.20 = 30,603,216.80/x
  3. Step 3: Cross multiply
    66,435,024.80x = 99,652,537.20 × 30,603,216.80
  4. Step 4: Simplify right side
    66,435,024.80x = 3,049,688,200,601,665
  5. Step 5: Solve for x
    x = 3,049,688,200,601,665/66,435,024.80
  6. Step 6: Final answer
    x = 45,904,825.20

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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.