Home / 140,090,197.20-209,851,860.60-97,008,046.80

Finding the Fourth Proportional to 140,090,197.20, 209,851,860.60 and 97,008,046.80

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Solution

The fourth proportional to 140,090,197.20, 209,851,860.60 and 97,008,046.80 is: 145,315,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,090,197.20 : 209,851,860.60 = 97,008,046.80 : x
  2. Step 2: Convert to fraction form
    140,090,197.20/209,851,860.60 = 97,008,046.80/x
  3. Step 3: Cross multiply
    140,090,197.20x = 209,851,860.60 × 97,008,046.80
  4. Step 4: Simplify right side
    140,090,197.20x = 20,357,319,114,151,876
  5. Step 5: Solve for x
    x = 20,357,319,114,151,876/140,090,197.20
  6. Step 6: Final answer
    x = 145,315,800.26

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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.