Home / 158,091,756.90-218,189,536.48-91,097,680.74

Finding the Fourth Proportional to 158,091,756.90, 218,189,536.48 and 91,097,680.74

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Solution

The fourth proportional to 158,091,756.90, 218,189,536.48 and 91,097,680.74 is: 125,728,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,091,756.90 : 218,189,536.48 = 91,097,680.74 : x
  2. Step 2: Convert to fraction form
    158,091,756.90/218,189,536.48 = 91,097,680.74/x
  3. Step 3: Cross multiply
    158,091,756.90x = 218,189,536.48 × 91,097,680.74
  4. Step 4: Simplify right side
    158,091,756.90x = 19,876,560,735,063,620
  5. Step 5: Solve for x
    x = 19,876,560,735,063,620/158,091,756.90
  6. Step 6: Final answer
    x = 125,728,002.05

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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.