Home / 152,651,538.30-228,856,878.81-75,932,692.86

Finding the Fourth Proportional to 152,651,538.30, 228,856,878.81 and 75,932,692.86

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Solution

The fourth proportional to 152,651,538.30, 228,856,878.81 and 75,932,692.86 is: 113,839,135.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,651,538.30 : 228,856,878.81 = 75,932,692.86 : x
  2. Step 2: Convert to fraction form
    152,651,538.30/228,856,878.81 = 75,932,692.86/x
  3. Step 3: Cross multiply
    152,651,538.30x = 228,856,878.81 × 75,932,692.86
  4. Step 4: Simplify right side
    152,651,538.30x = 17,377,719,087,577,972
  5. Step 5: Solve for x
    x = 17,377,719,087,577,972/152,651,538.30
  6. Step 6: Final answer
    x = 113,839,135.07

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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.