Home / 99,072,811.20-148,609,216.80-30,906,645.60

Finding the Fourth Proportional to 99,072,811.20, 148,609,216.80 and 30,906,645.60

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Solution

The fourth proportional to 99,072,811.20, 148,609,216.80 and 30,906,645.60 is: 46,359,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,072,811.20 : 148,609,216.80 = 30,906,645.60 : x
  2. Step 2: Convert to fraction form
    99,072,811.20/148,609,216.80 = 30,906,645.60/x
  3. Step 3: Cross multiply
    99,072,811.20x = 148,609,216.80 × 30,906,645.60
  4. Step 4: Simplify right side
    99,072,811.20x = 4,593,012,396,531,167
  5. Step 5: Solve for x
    x = 4,593,012,396,531,167/99,072,811.20
  6. Step 6: Final answer
    x = 46,359,968.40

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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.