Home / 65,372,852.43-90,218,616.45-36,004,177.54

Finding the Fourth Proportional to 65,372,852.43, 90,218,616.45 and 36,004,177.54

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Solution

The fourth proportional to 65,372,852.43, 90,218,616.45 and 36,004,177.54 is: 49,688,012.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,372,852.43 : 90,218,616.45 = 36,004,177.54 : x
  2. Step 2: Convert to fraction form
    65,372,852.43/90,218,616.45 = 36,004,177.54/x
  3. Step 3: Cross multiply
    65,372,852.43x = 90,218,616.45 × 36,004,177.54
  4. Step 4: Simplify right side
    65,372,852.43x = 3,248,247,084,078,964.50
  5. Step 5: Solve for x
    x = 3,248,247,084,078,964.50/65,372,852.43
  6. Step 6: Final answer
    x = 49,688,012.12

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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.