Home / 65,735,611.20-98,603,416.80-40,226,443.20

Finding the Fourth Proportional to 65,735,611.20, 98,603,416.80 and 40,226,443.20

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Solution

The fourth proportional to 65,735,611.20, 98,603,416.80 and 40,226,443.20 is: 60,339,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,735,611.20 : 98,603,416.80 = 40,226,443.20 : x
  2. Step 2: Convert to fraction form
    65,735,611.20/98,603,416.80 = 40,226,443.20/x
  3. Step 3: Cross multiply
    65,735,611.20x = 98,603,416.80 × 40,226,443.20
  4. Step 4: Simplify right side
    65,735,611.20x = 3,966,464,745,231,126
  5. Step 5: Solve for x
    x = 3,966,464,745,231,126/65,735,611.20
  6. Step 6: Final answer
    x = 60,339,664.80

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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.