Home / 76,173,396.10-105,151,465.51-51,427,101.96

Finding the Fourth Proportional to 76,173,396.10, 105,151,465.51 and 51,427,101.96

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Solution

The fourth proportional to 76,173,396.10, 105,151,465.51 and 51,427,101.96 is: 70,991,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,173,396.10 : 105,151,465.51 = 51,427,101.96 : x
  2. Step 2: Convert to fraction form
    76,173,396.10/105,151,465.51 = 51,427,101.96/x
  3. Step 3: Cross multiply
    76,173,396.10x = 105,151,465.51 × 51,427,101.96
  4. Step 4: Simplify right side
    76,173,396.10x = 5,407,635,137,897,625
  5. Step 5: Solve for x
    x = 5,407,635,137,897,625/76,173,396.10
  6. Step 6: Final answer
    x = 70,991,125.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.