Home / 112,513,870.80-168,777,337.68-43,427,058.24

Finding the Fourth Proportional to 112,513,870.80, 168,777,337.68 and 43,427,058.24

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Solution

The fourth proportional to 112,513,870.80, 168,777,337.68 and 43,427,058.24 is: 65,143,108.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,513,870.80 : 168,777,337.68 = 43,427,058.24 : x
  2. Step 2: Convert to fraction form
    112,513,870.80/168,777,337.68 = 43,427,058.24/x
  3. Step 3: Cross multiply
    112,513,870.80x = 168,777,337.68 × 43,427,058.24
  4. Step 4: Simplify right side
    112,513,870.80x = 7,329,503,273,021,507
  5. Step 5: Solve for x
    x = 7,329,503,273,021,507/112,513,870.80
  6. Step 6: Final answer
    x = 65,143,108.32

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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.