Home / 65,698,792.07-90,664,920.41-36,332,100.45

Finding the Fourth Proportional to 65,698,792.07, 90,664,920.41 and 36,332,100.45

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Solution

The fourth proportional to 65,698,792.07, 90,664,920.41 and 36,332,100.45 is: 50,138,623.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,698,792.07 : 90,664,920.41 = 36,332,100.45 : x
  2. Step 2: Convert to fraction form
    65,698,792.07/90,664,920.41 = 36,332,100.45/x
  3. Step 3: Cross multiply
    65,698,792.07x = 90,664,920.41 × 36,332,100.45
  4. Step 4: Simplify right side
    65,698,792.07x = 3,294,046,995,445,715
  5. Step 5: Solve for x
    x = 3,294,046,995,445,715/65,698,792.07
  6. Step 6: Final answer
    x = 50,138,623.43

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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.