Home / 64,155,274.70-96,232,912.05-18,721,661.90

Finding the Fourth Proportional to 64,155,274.70, 96,232,912.05 and 18,721,661.90

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Solution

The fourth proportional to 64,155,274.70, 96,232,912.05 and 18,721,661.90 is: 28,082,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,155,274.70 : 96,232,912.05 = 18,721,661.90 : x
  2. Step 2: Convert to fraction form
    64,155,274.70/96,232,912.05 = 18,721,661.90/x
  3. Step 3: Cross multiply
    64,155,274.70x = 96,232,912.05 × 18,721,661.90
  4. Step 4: Simplify right side
    64,155,274.70x = 1,801,640,043,052,535.75
  5. Step 5: Solve for x
    x = 1,801,640,043,052,535.75/64,155,274.70
  6. Step 6: Final answer
    x = 28,082,492.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.