Home / 75,676,801.60-113,515,202.40-71,897,665.60

Finding the Fourth Proportional to 75,676,801.60, 113,515,202.40 and 71,897,665.60

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Solution

The fourth proportional to 75,676,801.60, 113,515,202.40 and 71,897,665.60 is: 107,846,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,676,801.60 : 113,515,202.40 = 71,897,665.60 : x
  2. Step 2: Convert to fraction form
    75,676,801.60/113,515,202.40 = 71,897,665.60/x
  3. Step 3: Cross multiply
    75,676,801.60x = 113,515,202.40 × 71,897,665.60
  4. Step 4: Simplify right side
    75,676,801.60x = 8,161,478,062,671,517
  5. Step 5: Solve for x
    x = 8,161,478,062,671,517/75,676,801.60
  6. Step 6: Final answer
    x = 107,846,498.40

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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.