Home / 66,778,089-100,137,964.86-23,632,958.76

Finding the Fourth Proportional to 66,778,089, 100,137,964.86 and 23,632,958.76

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Solution

The fourth proportional to 66,778,089, 100,137,964.86 and 23,632,958.76 is: 35,439,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,778,089 : 100,137,964.86 = 23,632,958.76 : x
  2. Step 2: Convert to fraction form
    66,778,089/100,137,964.86 = 23,632,958.76/x
  3. Step 3: Cross multiply
    66,778,089x = 100,137,964.86 × 23,632,958.76
  4. Step 4: Simplify right side
    66,778,089x = 2,366,556,393,846,709.50
  5. Step 5: Solve for x
    x = 2,366,556,393,846,709.50/66,778,089
  6. Step 6: Final answer
    x = 35,439,115.27

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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.