Home / 147,503,770.20-221,255,655.30-139,945,498.20

Finding the Fourth Proportional to 147,503,770.20, 221,255,655.30 and 139,945,498.20

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Solution

The fourth proportional to 147,503,770.20, 221,255,655.30 and 139,945,498.20 is: 209,918,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,503,770.20 : 221,255,655.30 = 139,945,498.20 : x
  2. Step 2: Convert to fraction form
    147,503,770.20/221,255,655.30 = 139,945,498.20/x
  3. Step 3: Cross multiply
    147,503,770.20x = 221,255,655.30 × 139,945,498.20
  4. Step 4: Simplify right side
    147,503,770.20x = 30,963,732,910,525,968
  5. Step 5: Solve for x
    x = 30,963,732,910,525,968/147,503,770.20
  6. Step 6: Final answer
    x = 209,918,247.30

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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.