Home / 82,997,883.20-124,496,824.80-42,687,099.20

Finding the Fourth Proportional to 82,997,883.20, 124,496,824.80 and 42,687,099.20

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Solution

The fourth proportional to 82,997,883.20, 124,496,824.80 and 42,687,099.20 is: 64,030,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,997,883.20 : 124,496,824.80 = 42,687,099.20 : x
  2. Step 2: Convert to fraction form
    82,997,883.20/124,496,824.80 = 42,687,099.20/x
  3. Step 3: Cross multiply
    82,997,883.20x = 124,496,824.80 × 42,687,099.20
  4. Step 4: Simplify right side
    82,997,883.20x = 5,314,408,310,322,620
  5. Step 5: Solve for x
    x = 5,314,408,310,322,620/82,997,883.20
  6. Step 6: Final answer
    x = 64,030,648.80

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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.