Home / 141,912,901.80-212,869,352.70-111,301,900.20

Finding the Fourth Proportional to 141,912,901.80, 212,869,352.70 and 111,301,900.20

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Solution

The fourth proportional to 141,912,901.80, 212,869,352.70 and 111,301,900.20 is: 166,952,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,912,901.80 : 212,869,352.70 = 111,301,900.20 : x
  2. Step 2: Convert to fraction form
    141,912,901.80/212,869,352.70 = 111,301,900.20/x
  3. Step 3: Cross multiply
    141,912,901.80x = 212,869,352.70 × 111,301,900.20
  4. Step 4: Simplify right side
    141,912,901.80x = 23,692,763,449,854,000
  5. Step 5: Solve for x
    x = 23,692,763,449,854,000/141,912,901.80
  6. Step 6: Final answer
    x = 166,952,850.30

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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.