Home / 66,440,013.60-99,660,020.40-65,096,320.80

Finding the Fourth Proportional to 66,440,013.60, 99,660,020.40 and 65,096,320.80

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Solution

The fourth proportional to 66,440,013.60, 99,660,020.40 and 65,096,320.80 is: 97,644,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,440,013.60 : 99,660,020.40 = 65,096,320.80 : x
  2. Step 2: Convert to fraction form
    66,440,013.60/99,660,020.40 = 65,096,320.80/x
  3. Step 3: Cross multiply
    66,440,013.60x = 99,660,020.40 × 65,096,320.80
  4. Step 4: Simplify right side
    66,440,013.60x = 6,487,500,658,892,944
  5. Step 5: Solve for x
    x = 6,487,500,658,892,944/66,440,013.60
  6. Step 6: Final answer
    x = 97,644,481.20

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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.