Home / 65,204,057.40-97,806,086.10-42,245,806.20

Finding the Fourth Proportional to 65,204,057.40, 97,806,086.10 and 42,245,806.20

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Solution

The fourth proportional to 65,204,057.40, 97,806,086.10 and 42,245,806.20 is: 63,368,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,204,057.40 : 97,806,086.10 = 42,245,806.20 : x
  2. Step 2: Convert to fraction form
    65,204,057.40/97,806,086.10 = 42,245,806.20/x
  3. Step 3: Cross multiply
    65,204,057.40x = 97,806,086.10 × 42,245,806.20
  4. Step 4: Simplify right side
    65,204,057.40x = 4,131,896,958,561,114
  5. Step 5: Solve for x
    x = 4,131,896,958,561,114/65,204,057.40
  6. Step 6: Final answer
    x = 63,368,709.30

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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.