Home / 141,912,934.80-212,869,402.20-111,301,933.20

Finding the Fourth Proportional to 141,912,934.80, 212,869,402.20 and 111,301,933.20

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Solution

The fourth proportional to 141,912,934.80, 212,869,402.20 and 111,301,933.20 is: 166,952,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,912,934.80 : 212,869,402.20 = 111,301,933.20 : x
  2. Step 2: Convert to fraction form
    141,912,934.80/212,869,402.20 = 111,301,933.20/x
  3. Step 3: Cross multiply
    141,912,934.80x = 212,869,402.20 × 111,301,933.20
  4. Step 4: Simplify right side
    141,912,934.80x = 23,692,775,983,988,332
  5. Step 5: Solve for x
    x = 23,692,775,983,988,332/141,912,934.80
  6. Step 6: Final answer
    x = 166,952,899.80

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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.