Home / 65,372,855.33-90,218,620.47-36,004,180.11

Finding the Fourth Proportional to 65,372,855.33, 90,218,620.47 and 36,004,180.11

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Solution

The fourth proportional to 65,372,855.33, 90,218,620.47 and 36,004,180.11 is: 49,688,015.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,372,855.33 : 90,218,620.47 = 36,004,180.11 : x
  2. Step 2: Convert to fraction form
    65,372,855.33/90,218,620.47 = 36,004,180.11/x
  3. Step 3: Cross multiply
    65,372,855.33x = 90,218,620.47 × 36,004,180.11
  4. Step 4: Simplify right side
    65,372,855.33x = 3,248,247,460,474,309
  5. Step 5: Solve for x
    x = 3,248,247,460,474,309/65,372,855.33
  6. Step 6: Final answer
    x = 49,688,015.67

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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.