Home / 140,340,383.20-193,659,897.13-81,598,880.89

Finding the Fourth Proportional to 140,340,383.20, 193,659,897.13 and 81,598,880.89

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Solution

The fourth proportional to 140,340,383.20, 193,659,897.13 and 81,598,880.89 is: 112,600,739.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,340,383.20 : 193,659,897.13 = 81,598,880.89 : x
  2. Step 2: Convert to fraction form
    140,340,383.20/193,659,897.13 = 81,598,880.89/x
  3. Step 3: Cross multiply
    140,340,383.20x = 193,659,897.13 × 81,598,880.89
  4. Step 4: Simplify right side
    140,340,383.20x = 15,802,430,879,080,522
  5. Step 5: Solve for x
    x = 15,802,430,879,080,522/140,340,383.20
  6. Step 6: Final answer
    x = 112,600,739.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.