Home / 143,108,609.78-214,706,011.10-50,980,323.07

Finding the Fourth Proportional to 143,108,609.78, 214,706,011.10 and 50,980,323.07

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Solution

The fourth proportional to 143,108,609.78, 214,706,011.10 and 50,980,323.07 is: 76,485,837.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,108,609.78 : 214,706,011.10 = 50,980,323.07 : x
  2. Step 2: Convert to fraction form
    143,108,609.78/214,706,011.10 = 50,980,323.07/x
  3. Step 3: Cross multiply
    143,108,609.78x = 214,706,011.10 × 50,980,323.07
  4. Step 4: Simplify right side
    143,108,609.78x = 10,945,781,810,962,486
  5. Step 5: Solve for x
    x = 10,945,781,810,962,486/143,108,609.78
  6. Step 6: Final answer
    x = 76,485,837.07

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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.