Home / 65,200,486.40-97,800,729.60-42,242,235.20

Finding the Fourth Proportional to 65,200,486.40, 97,800,729.60 and 42,242,235.20

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Solution

The fourth proportional to 65,200,486.40, 97,800,729.60 and 42,242,235.20 is: 63,363,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,200,486.40 : 97,800,729.60 = 42,242,235.20 : x
  2. Step 2: Convert to fraction form
    65,200,486.40/97,800,729.60 = 42,242,235.20/x
  3. Step 3: Cross multiply
    65,200,486.40x = 97,800,729.60 × 42,242,235.20
  4. Step 4: Simplify right side
    65,200,486.40x = 4,131,321,422,494,802
  5. Step 5: Solve for x
    x = 4,131,321,422,494,802/65,200,486.40
  6. Step 6: Final answer
    x = 63,363,352.80

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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.