Home / 101,275,407.48-139,759,289.82-54,865,329.42

Finding the Fourth Proportional to 101,275,407.48, 139,759,289.82 and 54,865,329.42

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Solution

The fourth proportional to 101,275,407.48, 139,759,289.82 and 54,865,329.42 is: 75,713,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,275,407.48 : 139,759,289.82 = 54,865,329.42 : x
  2. Step 2: Convert to fraction form
    101,275,407.48/139,759,289.82 = 54,865,329.42/x
  3. Step 3: Cross multiply
    101,275,407.48x = 139,759,289.82 × 54,865,329.42
  4. Step 4: Simplify right side
    101,275,407.48x = 7,667,939,475,479,552
  5. Step 5: Solve for x
    x = 7,667,939,475,479,552/101,275,407.48
  6. Step 6: Final answer
    x = 75,713,736.10

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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.