Home / 147,531,493.20-221,295,166.20-66,752,331.60

Finding the Fourth Proportional to 147,531,493.20, 221,295,166.20 and 66,752,331.60

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Solution

The fourth proportional to 147,531,493.20, 221,295,166.20 and 66,752,331.60 is: 100,127,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,531,493.20 : 221,295,166.20 = 66,752,331.60 : x
  2. Step 2: Convert to fraction form
    147,531,493.20/221,295,166.20 = 66,752,331.60/x
  3. Step 3: Cross multiply
    147,531,493.20x = 221,295,166.20 × 66,752,331.60
  4. Step 4: Simplify right side
    147,531,493.20x = 14,771,968,315,659,512
  5. Step 5: Solve for x
    x = 14,771,968,315,659,512/147,531,493.20
  6. Step 6: Final answer
    x = 100,127,559.18

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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.