Home / 125,500,529.64-173,137,007.88-78,375,790.52

Finding the Fourth Proportional to 125,500,529.64, 173,137,007.88 and 78,375,790.52

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Solution

The fourth proportional to 125,500,529.64, 173,137,007.88 and 78,375,790.52 is: 108,125,040.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,500,529.64 : 173,137,007.88 = 78,375,790.52 : x
  2. Step 2: Convert to fraction form
    125,500,529.64/173,137,007.88 = 78,375,790.52/x
  3. Step 3: Cross multiply
    125,500,529.64x = 173,137,007.88 × 78,375,790.52
  4. Step 4: Simplify right side
    125,500,529.64x = 13,569,749,859,996,784
  5. Step 5: Solve for x
    x = 13,569,749,859,996,784/125,500,529.64
  6. Step 6: Final answer
    x = 108,125,040.58

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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.