Home / 55,330,667.61-76,356,690.44-30,212,951.30

Finding the Fourth Proportional to 55,330,667.61, 76,356,690.44 and 30,212,951.30

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Solution

The fourth proportional to 55,330,667.61, 76,356,690.44 and 30,212,951.30 is: 41,694,074.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,330,667.61 : 76,356,690.44 = 30,212,951.30 : x
  2. Step 2: Convert to fraction form
    55,330,667.61/76,356,690.44 = 30,212,951.30/x
  3. Step 3: Cross multiply
    55,330,667.61x = 76,356,690.44 × 30,212,951.30
  4. Step 4: Simplify right side
    55,330,667.61x = 2,306,960,969,616,332.50
  5. Step 5: Solve for x
    x = 2,306,960,969,616,332.50/55,330,667.61
  6. Step 6: Final answer
    x = 41,694,074.36

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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.