Home / 84,206,500.40-116,215,053.24-51,172,147.28

Finding the Fourth Proportional to 84,206,500.40, 116,215,053.24 and 51,172,147.28

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Solution

The fourth proportional to 84,206,500.40, 116,215,053.24 and 51,172,147.28 is: 70,623,690.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,206,500.40 : 116,215,053.24 = 51,172,147.28 : x
  2. Step 2: Convert to fraction form
    84,206,500.40/116,215,053.24 = 51,172,147.28/x
  3. Step 3: Cross multiply
    84,206,500.40x = 116,215,053.24 × 51,172,147.28
  4. Step 4: Simplify right side
    84,206,500.40x = 5,946,973,820,550,321
  5. Step 5: Solve for x
    x = 5,946,973,820,550,321/84,206,500.40
  6. Step 6: Final answer
    x = 70,623,690.48

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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.