Home / 194,107,987.92-291,164,556.06-64,715,639.52

Finding the Fourth Proportional to 194,107,987.92, 291,164,556.06 and 64,715,639.52

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Solution

The fourth proportional to 194,107,987.92, 291,164,556.06 and 64,715,639.52 is: 97,074,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,107,987.92 : 291,164,556.06 = 64,715,639.52 : x
  2. Step 2: Convert to fraction form
    194,107,987.92/291,164,556.06 = 64,715,639.52/x
  3. Step 3: Cross multiply
    194,107,987.92x = 291,164,556.06 × 64,715,639.52
  4. Step 4: Simplify right side
    194,107,987.92x = 18,842,900,450,979,792
  5. Step 5: Solve for x
    x = 18,842,900,450,979,792/194,107,987.92
  6. Step 6: Final answer
    x = 97,074,317.51

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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.