Home / 66,443,960.40-99,665,940.60-40,801,822.80

Finding the Fourth Proportional to 66,443,960.40, 99,665,940.60 and 40,801,822.80

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Solution

The fourth proportional to 66,443,960.40, 99,665,940.60 and 40,801,822.80 is: 61,202,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,443,960.40 : 99,665,940.60 = 40,801,822.80 : x
  2. Step 2: Convert to fraction form
    66,443,960.40/99,665,940.60 = 40,801,822.80/x
  3. Step 3: Cross multiply
    66,443,960.40x = 99,665,940.60 × 40,801,822.80
  4. Step 4: Simplify right side
    66,443,960.40x = 4,066,552,047,556,525
  5. Step 5: Solve for x
    x = 4,066,552,047,556,525/66,443,960.40
  6. Step 6: Final answer
    x = 61,202,734.20

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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.