Home / 104,016,785-143,543,642.82-57,606,065.96

Finding the Fourth Proportional to 104,016,785, 143,543,642.82 and 57,606,065.96

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Solution

The fourth proportional to 104,016,785, 143,543,642.82 and 57,606,065.96 is: 79,496,636.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,016,785 : 143,543,642.82 = 57,606,065.96 : x
  2. Step 2: Convert to fraction form
    104,016,785/143,543,642.82 = 57,606,065.96/x
  3. Step 3: Cross multiply
    104,016,785x = 143,543,642.82 × 57,606,065.96
  4. Step 4: Simplify right side
    104,016,785x = 8,268,984,556,427,600
  5. Step 5: Solve for x
    x = 8,268,984,556,427,600/104,016,785
  6. Step 6: Final answer
    x = 79,496,636.59

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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.