Home / 112,513,871.30-168,777,338.43-43,427,058.74

Finding the Fourth Proportional to 112,513,871.30, 168,777,338.43 and 43,427,058.74

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Solution

The fourth proportional to 112,513,871.30, 168,777,338.43 and 43,427,058.74 is: 65,143,109.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,513,871.30 : 168,777,338.43 = 43,427,058.74 : x
  2. Step 2: Convert to fraction form
    112,513,871.30/168,777,338.43 = 43,427,058.74/x
  3. Step 3: Cross multiply
    112,513,871.30x = 168,777,338.43 × 43,427,058.74
  4. Step 4: Simplify right side
    112,513,871.30x = 7,329,503,389,980,470
  5. Step 5: Solve for x
    x = 7,329,503,389,980,470/112,513,871.30
  6. Step 6: Final answer
    x = 65,143,109.07

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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.