Home / 140,090,161.20-209,851,806.60-97,008,010.80

Finding the Fourth Proportional to 140,090,161.20, 209,851,806.60 and 97,008,010.80

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Solution

The fourth proportional to 140,090,161.20, 209,851,806.60 and 97,008,010.80 is: 145,315,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,090,161.20 : 209,851,806.60 = 97,008,010.80 : x
  2. Step 2: Convert to fraction form
    140,090,161.20/209,851,806.60 = 97,008,010.80/x
  3. Step 3: Cross multiply
    140,090,161.20x = 209,851,806.60 × 97,008,010.80
  4. Step 4: Simplify right side
    140,090,161.20x = 20,357,306,321,052,312
  5. Step 5: Solve for x
    x = 20,357,306,321,052,312/140,090,161.20
  6. Step 6: Final answer
    x = 145,315,746.28

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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.