Home / 142,374,180-196,474,598.88-83,642,198.88

Finding the Fourth Proportional to 142,374,180, 196,474,598.88 and 83,642,198.88

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Solution

The fourth proportional to 142,374,180, 196,474,598.88 and 83,642,198.88 is: 115,425,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,374,180 : 196,474,598.88 = 83,642,198.88 : x
  2. Step 2: Convert to fraction form
    142,374,180/196,474,598.88 = 83,642,198.88/x
  3. Step 3: Cross multiply
    142,374,180x = 196,474,598.88 × 83,642,198.88
  4. Step 4: Simplify right side
    142,374,180x = 16,433,567,474,389,184
  5. Step 5: Solve for x
    x = 16,433,567,474,389,184/142,374,180
  6. Step 6: Final answer
    x = 115,425,194.89

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1.5x scale

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.