Home / 65,513,540.40-98,270,310.60-64,663,234.80

Finding the Fourth Proportional to 65,513,540.40, 98,270,310.60 and 64,663,234.80

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Solution

The fourth proportional to 65,513,540.40, 98,270,310.60 and 64,663,234.80 is: 96,994,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,513,540.40 : 98,270,310.60 = 64,663,234.80 : x
  2. Step 2: Convert to fraction form
    65,513,540.40/98,270,310.60 = 64,663,234.80/x
  3. Step 3: Cross multiply
    65,513,540.40x = 98,270,310.60 × 64,663,234.80
  4. Step 4: Simplify right side
    65,513,540.40x = 6,354,476,168,196,728
  5. Step 5: Solve for x
    x = 6,354,476,168,196,728/65,513,540.40
  6. Step 6: Final answer
    x = 96,994,852.20

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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.