Home / 252,290,620.20-378,435,930.30-70,537,506.60

Finding the Fourth Proportional to 252,290,620.20, 378,435,930.30 and 70,537,506.60

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Solution

The fourth proportional to 252,290,620.20, 378,435,930.30 and 70,537,506.60 is: 105,806,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,290,620.20 : 378,435,930.30 = 70,537,506.60 : x
  2. Step 2: Convert to fraction form
    252,290,620.20/378,435,930.30 = 70,537,506.60/x
  3. Step 3: Cross multiply
    252,290,620.20x = 378,435,930.30 × 70,537,506.60
  4. Step 4: Simplify right side
    252,290,620.20x = 26,693,926,931,213,388
  5. Step 5: Solve for x
    x = 26,693,926,931,213,388/252,290,620.20
  6. Step 6: Final answer
    x = 105,806,259.90

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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.