Home / 99,794,872.40-149,692,308.60-56,647,403.60

Finding the Fourth Proportional to 99,794,872.40, 149,692,308.60 and 56,647,403.60

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Solution

The fourth proportional to 99,794,872.40, 149,692,308.60 and 56,647,403.60 is: 84,971,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,794,872.40 : 149,692,308.60 = 56,647,403.60 : x
  2. Step 2: Convert to fraction form
    99,794,872.40/149,692,308.60 = 56,647,403.60/x
  3. Step 3: Cross multiply
    99,794,872.40x = 149,692,308.60 × 56,647,403.60
  4. Step 4: Simplify right side
    99,794,872.40x = 8,479,680,621,079,951
  5. Step 5: Solve for x
    x = 8,479,680,621,079,951/99,794,872.40
  6. Step 6: Final answer
    x = 84,971,105.40

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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.