Home / 66,297,860.40-99,446,790.60-55,775,328.60

Finding the Fourth Proportional to 66,297,860.40, 99,446,790.60 and 55,775,328.60

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Solution

The fourth proportional to 66,297,860.40, 99,446,790.60 and 55,775,328.60 is: 83,662,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,297,860.40 : 99,446,790.60 = 55,775,328.60 : x
  2. Step 2: Convert to fraction form
    66,297,860.40/99,446,790.60 = 55,775,328.60/x
  3. Step 3: Cross multiply
    66,297,860.40x = 99,446,790.60 × 55,775,328.60
  4. Step 4: Simplify right side
    66,297,860.40x = 5,546,677,423,930,391
  5. Step 5: Solve for x
    x = 5,546,677,423,930,391/66,297,860.40
  6. Step 6: Final answer
    x = 83,662,992.90

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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.