Home / 155,139,540.30-232,709,310.45-109,223,037.90

Finding the Fourth Proportional to 155,139,540.30, 232,709,310.45 and 109,223,037.90

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Solution

The fourth proportional to 155,139,540.30, 232,709,310.45 and 109,223,037.90 is: 163,834,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,139,540.30 : 232,709,310.45 = 109,223,037.90 : x
  2. Step 2: Convert to fraction form
    155,139,540.30/232,709,310.45 = 109,223,037.90/x
  3. Step 3: Cross multiply
    155,139,540.30x = 232,709,310.45 × 109,223,037.90
  4. Step 4: Simplify right side
    155,139,540.30x = 25,417,217,834,963,216
  5. Step 5: Solve for x
    x = 25,417,217,834,963,216/155,139,540.30
  6. Step 6: Final answer
    x = 163,834,556.85

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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.