Home / 145,677,626.20-218,453,453.70-72,866,272.60

Finding the Fourth Proportional to 145,677,626.20, 218,453,453.70 and 72,866,272.60

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Solution

The fourth proportional to 145,677,626.20, 218,453,453.70 and 72,866,272.60 is: 109,267,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,677,626.20 : 218,453,453.70 = 72,866,272.60 : x
  2. Step 2: Convert to fraction form
    145,677,626.20/218,453,453.70 = 72,866,272.60/x
  3. Step 3: Cross multiply
    145,677,626.20x = 218,453,453.70 × 72,866,272.60
  4. Step 4: Simplify right side
    145,677,626.20x = 15,917,888,907,715,676
  5. Step 5: Solve for x
    x = 15,917,888,907,715,676/145,677,626.20
  6. Step 6: Final answer
    x = 109,267,904.23

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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.