Home / 187,454,743.69-258,667,852.66-103,820,683.36

Finding the Fourth Proportional to 187,454,743.69, 258,667,852.66 and 103,820,683.36

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Solution

The fourth proportional to 187,454,743.69, 258,667,852.66 and 103,820,683.36 is: 143,261,635.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,454,743.69 : 258,667,852.66 = 103,820,683.36 : x
  2. Step 2: Convert to fraction form
    187,454,743.69/258,667,852.66 = 103,820,683.36/x
  3. Step 3: Cross multiply
    187,454,743.69x = 258,667,852.66 × 103,820,683.36
  4. Step 4: Simplify right side
    187,454,743.69x = 26,855,073,226,424,992
  5. Step 5: Solve for x
    x = 26,855,073,226,424,992/187,454,743.69
  6. Step 6: Final answer
    x = 143,261,635.84

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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.