Home / 123,969,441.90-171,072,692.55-67,454,421.17

Finding the Fourth Proportional to 123,969,441.90, 171,072,692.55 and 67,454,421.17

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Solution

The fourth proportional to 123,969,441.90, 171,072,692.55 and 67,454,421.17 is: 93,084,305.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,969,441.90 : 171,072,692.55 = 67,454,421.17 : x
  2. Step 2: Convert to fraction form
    123,969,441.90/171,072,692.55 = 67,454,421.17/x
  3. Step 3: Cross multiply
    123,969,441.90x = 171,072,692.55 × 67,454,421.17
  4. Step 4: Simplify right side
    123,969,441.90x = 11,539,609,453,098,260
  5. Step 5: Solve for x
    x = 11,539,609,453,098,260/123,969,441.90
  6. Step 6: Final answer
    x = 93,084,305.91

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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.