Home / 66,443,846.60-99,476,813.10-51,201,331.40

Finding the Fourth Proportional to 66,443,846.60, 99,476,813.10 and 51,201,331.40

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Solution

The fourth proportional to 66,443,846.60, 99,476,813.10 and 51,201,331.40 is: 76,656,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,443,846.60 : 99,476,813.10 = 51,201,331.40 : x
  2. Step 2: Convert to fraction form
    66,443,846.60/99,476,813.10 = 51,201,331.40/x
  3. Step 3: Cross multiply
    66,443,846.60x = 99,476,813.10 × 51,201,331.40
  4. Step 4: Simplify right side
    66,443,846.60x = 5,093,345,274,148,961
  5. Step 5: Solve for x
    x = 5,093,345,274,148,961/66,443,846.60
  6. Step 6: Final answer
    x = 76,656,387.83

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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.