Home / 140,090,226.20-209,851,904.10-97,008,075.80

Finding the Fourth Proportional to 140,090,226.20, 209,851,904.10 and 97,008,075.80

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Solution

The fourth proportional to 140,090,226.20, 209,851,904.10 and 97,008,075.80 is: 145,315,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,090,226.20 : 209,851,904.10 = 97,008,075.80 : x
  2. Step 2: Convert to fraction form
    140,090,226.20/209,851,904.10 = 97,008,075.80/x
  3. Step 3: Cross multiply
    140,090,226.20x = 209,851,904.10 × 97,008,075.80
  4. Step 4: Simplify right side
    140,090,226.20x = 20,357,329,419,707,128
  5. Step 5: Solve for x
    x = 20,357,329,419,707,128/140,090,226.20
  6. Step 6: Final answer
    x = 145,315,843.74

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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.