Home / 141,768,066.80-212,652,100.20-84,230,721.20

Finding the Fourth Proportional to 141,768,066.80, 212,652,100.20 and 84,230,721.20

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Solution

The fourth proportional to 141,768,066.80, 212,652,100.20 and 84,230,721.20 is: 126,346,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,768,066.80 : 212,652,100.20 = 84,230,721.20 : x
  2. Step 2: Convert to fraction form
    141,768,066.80/212,652,100.20 = 84,230,721.20/x
  3. Step 3: Cross multiply
    141,768,066.80x = 212,652,100.20 × 84,230,721.20
  4. Step 4: Simplify right side
    141,768,066.80x = 17,911,839,764,540,664
  5. Step 5: Solve for x
    x = 17,911,839,764,540,664/141,768,066.80
  6. Step 6: Final answer
    x = 126,346,081.80

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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.