Home / 130,962,002.20-196,443,003.30-54,259,538.20

Finding the Fourth Proportional to 130,962,002.20, 196,443,003.30 and 54,259,538.20

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Solution

The fourth proportional to 130,962,002.20, 196,443,003.30 and 54,259,538.20 is: 81,389,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,962,002.20 : 196,443,003.30 = 54,259,538.20 : x
  2. Step 2: Convert to fraction form
    130,962,002.20/196,443,003.30 = 54,259,538.20/x
  3. Step 3: Cross multiply
    130,962,002.20x = 196,443,003.30 × 54,259,538.20
  4. Step 4: Simplify right side
    130,962,002.20x = 10,658,906,641,679,078
  5. Step 5: Solve for x
    x = 10,658,906,641,679,078/130,962,002.20
  6. Step 6: Final answer
    x = 81,389,307.30

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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.