Home / 97,946,147.20-146,919,220.80-82,829,603.20

Finding the Fourth Proportional to 97,946,147.20, 146,919,220.80 and 82,829,603.20

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Solution

The fourth proportional to 97,946,147.20, 146,919,220.80 and 82,829,603.20 is: 124,244,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,946,147.20 : 146,919,220.80 = 82,829,603.20 : x
  2. Step 2: Convert to fraction form
    97,946,147.20/146,919,220.80 = 82,829,603.20/x
  3. Step 3: Cross multiply
    97,946,147.20x = 146,919,220.80 × 82,829,603.20
  4. Step 4: Simplify right side
    97,946,147.20x = 12,169,260,761,317,188
  5. Step 5: Solve for x
    x = 12,169,260,761,317,188/97,946,147.20
  6. Step 6: Final answer
    x = 124,244,404.80

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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.