Home / 89,851,295.78-123,994,811.85-50,701,369.22

Finding the Fourth Proportional to 89,851,295.78, 123,994,811.85 and 50,701,369.22

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Solution

The fourth proportional to 89,851,295.78, 123,994,811.85 and 50,701,369.22 is: 69,967,902.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,851,295.78 : 123,994,811.85 = 50,701,369.22 : x
  2. Step 2: Convert to fraction form
    89,851,295.78/123,994,811.85 = 50,701,369.22/x
  3. Step 3: Cross multiply
    89,851,295.78x = 123,994,811.85 × 50,701,369.22
  4. Step 4: Simplify right side
    89,851,295.78x = 6,286,706,736,971,281
  5. Step 5: Solve for x
    x = 6,286,706,736,971,281/89,851,295.78
  6. Step 6: Final answer
    x = 69,967,902.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.