Home / 140,090,198.20-209,851,862.10-97,008,047.80

Finding the Fourth Proportional to 140,090,198.20, 209,851,862.10 and 97,008,047.80

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Solution

The fourth proportional to 140,090,198.20, 209,851,862.10 and 97,008,047.80 is: 145,315,801.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,090,198.20 : 209,851,862.10 = 97,008,047.80 : x
  2. Step 2: Convert to fraction form
    140,090,198.20/209,851,862.10 = 97,008,047.80/x
  3. Step 3: Cross multiply
    140,090,198.20x = 209,851,862.10 × 97,008,047.80
  4. Step 4: Simplify right side
    140,090,198.20x = 20,357,319,469,515,808
  5. Step 5: Solve for x
    x = 20,357,319,469,515,808/140,090,198.20
  6. Step 6: Final answer
    x = 145,315,801.76

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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.