Home / 65,698,772.87-90,664,894.01-36,332,081.33

Finding the Fourth Proportional to 65,698,772.87, 90,664,894.01 and 36,332,081.33

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Solution

The fourth proportional to 65,698,772.87, 90,664,894.01 and 36,332,081.33 is: 50,138,597.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,698,772.87 : 90,664,894.01 = 36,332,081.33 : x
  2. Step 2: Convert to fraction form
    65,698,772.87/90,664,894.01 = 36,332,081.33/x
  3. Step 3: Cross multiply
    65,698,772.87x = 90,664,894.01 × 36,332,081.33
  4. Step 4: Simplify right side
    65,698,772.87x = 3,294,044,302,584,656
  5. Step 5: Solve for x
    x = 3,294,044,302,584,656/65,698,772.87
  6. Step 6: Final answer
    x = 50,138,597.09

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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.