Home / 100,304,686.26-150,457,029.39-80,237,474.10

Finding the Fourth Proportional to 100,304,686.26, 150,457,029.39 and 80,237,474.10

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Solution

The fourth proportional to 100,304,686.26, 150,457,029.39 and 80,237,474.10 is: 120,356,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,304,686.26 : 150,457,029.39 = 80,237,474.10 : x
  2. Step 2: Convert to fraction form
    100,304,686.26/150,457,029.39 = 80,237,474.10/x
  3. Step 3: Cross multiply
    100,304,686.26x = 150,457,029.39 × 80,237,474.10
  4. Step 4: Simplify right side
    100,304,686.26x = 12,072,291,998,843,062
  5. Step 5: Solve for x
    x = 12,072,291,998,843,062/100,304,686.26
  6. Step 6: Final answer
    x = 120,356,211.15

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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.