Home / 73,177,430.40-109,766,145.60-19,324,742.40

Finding the Fourth Proportional to 73,177,430.40, 109,766,145.60 and 19,324,742.40

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Solution

The fourth proportional to 73,177,430.40, 109,766,145.60 and 19,324,742.40 is: 28,987,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,177,430.40 : 109,766,145.60 = 19,324,742.40 : x
  2. Step 2: Convert to fraction form
    73,177,430.40/109,766,145.60 = 19,324,742.40/x
  3. Step 3: Cross multiply
    73,177,430.40x = 109,766,145.60 × 19,324,742.40
  4. Step 4: Simplify right side
    73,177,430.40x = 2,121,202,487,960,893.25
  5. Step 5: Solve for x
    x = 2,121,202,487,960,893.25/73,177,430.40
  6. Step 6: Final answer
    x = 28,987,113.60

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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.