Home / 103,212,813.33-142,401,619.68-58,551,434.19

Finding the Fourth Proportional to 103,212,813.33, 142,401,619.68 and 58,551,434.19

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Solution

The fourth proportional to 103,212,813.33, 142,401,619.68 and 58,551,434.19 is: 80,782,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,212,813.33 : 142,401,619.68 = 58,551,434.19 : x
  2. Step 2: Convert to fraction form
    103,212,813.33/142,401,619.68 = 58,551,434.19/x
  3. Step 3: Cross multiply
    103,212,813.33x = 142,401,619.68 × 58,551,434.19
  4. Step 4: Simplify right side
    103,212,813.33x = 8,337,819,063,242,929
  5. Step 5: Solve for x
    x = 8,337,819,063,242,929/103,212,813.33
  6. Step 6: Final answer
    x = 80,782,790.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.