Home / 65,123,856.55-89,871,097.67-35,757,091.20

Finding the Fourth Proportional to 65,123,856.55, 89,871,097.67 and 35,757,091.20

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Solution

The fourth proportional to 65,123,856.55, 89,871,097.67 and 35,757,091.20 is: 49,344,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,123,856.55 : 89,871,097.67 = 35,757,091.20 : x
  2. Step 2: Convert to fraction form
    65,123,856.55/89,871,097.67 = 35,757,091.20/x
  3. Step 3: Cross multiply
    65,123,856.55x = 89,871,097.67 × 35,757,091.20
  4. Step 4: Simplify right side
    65,123,856.55x = 3,213,529,035,365,419
  5. Step 5: Solve for x
    x = 3,213,529,035,365,419/65,123,856.55
  6. Step 6: Final answer
    x = 49,344,882.28

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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.