Home / 143,462,227.85-214,969,140.09-99,828,238.61

Finding the Fourth Proportional to 143,462,227.85, 214,969,140.09 and 99,828,238.61

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Solution

The fourth proportional to 143,462,227.85, 214,969,140.09 and 99,828,238.61 is: 149,586,347.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,462,227.85 : 214,969,140.09 = 99,828,238.61 : x
  2. Step 2: Convert to fraction form
    143,462,227.85/214,969,140.09 = 99,828,238.61/x
  3. Step 3: Cross multiply
    143,462,227.85x = 214,969,140.09 × 99,828,238.61
  4. Step 4: Simplify right side
    143,462,227.85x = 21,459,990,609,366,624
  5. Step 5: Solve for x
    x = 21,459,990,609,366,624/143,462,227.85
  6. Step 6: Final answer
    x = 149,586,347.09

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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.