Home / 65,153,969.28-89,871,160.32-40,025,082.24

Finding the Fourth Proportional to 65,153,969.28, 89,871,160.32 and 40,025,082.24

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Solution

The fourth proportional to 65,153,969.28, 89,871,160.32 and 40,025,082.24 is: 55,209,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,153,969.28 : 89,871,160.32 = 40,025,082.24 : x
  2. Step 2: Convert to fraction form
    65,153,969.28/89,871,160.32 = 40,025,082.24/x
  3. Step 3: Cross multiply
    65,153,969.28x = 89,871,160.32 × 40,025,082.24
  4. Step 4: Simplify right side
    65,153,969.28x = 3,597,100,582,812,224.50
  5. Step 5: Solve for x
    x = 3,597,100,582,812,224.50/65,153,969.28
  6. Step 6: Final answer
    x = 55,209,231.65

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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.