Home / 111,721,383.14-154,173,092.04-64,680,440.09

Finding the Fourth Proportional to 111,721,383.14, 154,173,092.04 and 64,680,440.09

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Solution

The fourth proportional to 111,721,383.14, 154,173,092.04 and 64,680,440.09 is: 89,257,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,721,383.14 : 154,173,092.04 = 64,680,440.09 : x
  2. Step 2: Convert to fraction form
    111,721,383.14/154,173,092.04 = 64,680,440.09/x
  3. Step 3: Cross multiply
    111,721,383.14x = 154,173,092.04 × 64,680,440.09
  4. Step 4: Simplify right side
    111,721,383.14x = 9,971,983,442,412,410
  5. Step 5: Solve for x
    x = 9,971,983,442,412,410/111,721,383.14
  6. Step 6: Final answer
    x = 89,257,608.19

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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.