Home / 194,231,566.40-291,310,024.80-57,921,396.80

Finding the Fourth Proportional to 194,231,566.40, 291,310,024.80 and 57,921,396.80

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Solution

The fourth proportional to 194,231,566.40, 291,310,024.80 and 57,921,396.80 is: 86,870,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,231,566.40 : 291,310,024.80 = 57,921,396.80 : x
  2. Step 2: Convert to fraction form
    194,231,566.40/291,310,024.80 = 57,921,396.80/x
  3. Step 3: Cross multiply
    194,231,566.40x = 291,310,024.80 × 57,921,396.80
  4. Step 4: Simplify right side
    194,231,566.40x = 16,873,083,538,258,640
  5. Step 5: Solve for x
    x = 16,873,083,538,258,640/194,231,566.40
  6. Step 6: Final answer
    x = 86,870,964.65

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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.