Home / 65,204,046.40-97,806,069.60-42,245,795.20

Finding the Fourth Proportional to 65,204,046.40, 97,806,069.60 and 42,245,795.20

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Solution

The fourth proportional to 65,204,046.40, 97,806,069.60 and 42,245,795.20 is: 63,368,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,204,046.40 : 97,806,069.60 = 42,245,795.20 : x
  2. Step 2: Convert to fraction form
    65,204,046.40/97,806,069.60 = 42,245,795.20/x
  3. Step 3: Cross multiply
    65,204,046.40x = 97,806,069.60 × 42,245,795.20
  4. Step 4: Simplify right side
    65,204,046.40x = 4,131,895,185,638,546
  5. Step 5: Solve for x
    x = 4,131,895,185,638,546/65,204,046.40
  6. Step 6: Final answer
    x = 63,368,692.80

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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.