Home / 65,204,048.40-97,806,072.60-42,245,797.20

Finding the Fourth Proportional to 65,204,048.40, 97,806,072.60 and 42,245,797.20

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Solution

The fourth proportional to 65,204,048.40, 97,806,072.60 and 42,245,797.20 is: 63,368,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,204,048.40 : 97,806,072.60 = 42,245,797.20 : x
  2. Step 2: Convert to fraction form
    65,204,048.40/97,806,072.60 = 42,245,797.20/x
  3. Step 3: Cross multiply
    65,204,048.40x = 97,806,072.60 × 42,245,797.20
  4. Step 4: Simplify right side
    65,204,048.40x = 4,131,895,507,988,077
  5. Step 5: Solve for x
    x = 4,131,895,507,988,077/65,204,048.40
  6. Step 6: Final answer
    x = 63,368,695.80

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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.