Home / 103,517,566.20-155,144,473.20-55,018,654.20

Finding the Fourth Proportional to 103,517,566.20, 155,144,473.20 and 55,018,654.20

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Solution

The fourth proportional to 103,517,566.20, 155,144,473.20 and 55,018,654.20 is: 82,457,890.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,517,566.20 : 155,144,473.20 = 55,018,654.20 : x
  2. Step 2: Convert to fraction form
    103,517,566.20/155,144,473.20 = 55,018,654.20/x
  3. Step 3: Cross multiply
    103,517,566.20x = 155,144,473.20 × 55,018,654.20
  4. Step 4: Simplify right side
    103,517,566.20x = 8,535,840,122,031,967
  5. Step 5: Solve for x
    x = 8,535,840,122,031,967/103,517,566.20
  6. Step 6: Final answer
    x = 82,457,890.34

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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.