Home / 141,912,631.80-212,868,947.70-111,301,630.20

Finding the Fourth Proportional to 141,912,631.80, 212,868,947.70 and 111,301,630.20

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Solution

The fourth proportional to 141,912,631.80, 212,868,947.70 and 111,301,630.20 is: 166,952,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,912,631.80 : 212,868,947.70 = 111,301,630.20 : x
  2. Step 2: Convert to fraction form
    141,912,631.80/212,868,947.70 = 111,301,630.20/x
  3. Step 3: Cross multiply
    141,912,631.80x = 212,868,947.70 × 111,301,630.20
  4. Step 4: Simplify right side
    141,912,631.80x = 23,692,660,897,968,540
  5. Step 5: Solve for x
    x = 23,692,660,897,968,540/141,912,631.80
  6. Step 6: Final answer
    x = 166,952,445.30

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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.