Home / 101,275,408.98-139,759,291.89-54,865,330.92

Finding the Fourth Proportional to 101,275,408.98, 139,759,291.89 and 54,865,330.92

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Solution

The fourth proportional to 101,275,408.98, 139,759,291.89 and 54,865,330.92 is: 75,713,738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,275,408.98 : 139,759,291.89 = 54,865,330.92 : x
  2. Step 2: Convert to fraction form
    101,275,408.98/139,759,291.89 = 54,865,330.92/x
  3. Step 3: Cross multiply
    101,275,408.98x = 139,759,291.89 × 54,865,330.92
  4. Step 4: Simplify right side
    101,275,408.98x = 7,667,939,798,689,722
  5. Step 5: Solve for x
    x = 7,667,939,798,689,722/101,275,408.98
  6. Step 6: Final answer
    x = 75,713,738.17

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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.