Home / 87,899,561.60-131,905,329.60-51,507,881.60

Finding the Fourth Proportional to 87,899,561.60, 131,905,329.60 and 51,507,881.60

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Solution

The fourth proportional to 87,899,561.60, 131,905,329.60 and 51,507,881.60 is: 77,294,630.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,899,561.60 : 131,905,329.60 = 51,507,881.60 : x
  2. Step 2: Convert to fraction form
    87,899,561.60/131,905,329.60 = 51,507,881.60/x
  3. Step 3: Cross multiply
    87,899,561.60x = 131,905,329.60 × 51,507,881.60
  4. Step 4: Simplify right side
    87,899,561.60x = 6,794,164,099,445,775
  5. Step 5: Solve for x
    x = 6,794,164,099,445,775/87,899,561.60
  6. Step 6: Final answer
    x = 77,294,630.10

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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.