Home / 144,126,120.40-198,908,271.21-82,255,715.44

Finding the Fourth Proportional to 144,126,120.40, 198,908,271.21 and 82,255,715.44

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Solution

The fourth proportional to 144,126,120.40, 198,908,271.21 and 82,255,715.44 is: 113,521,005.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,126,120.40 : 198,908,271.21 = 82,255,715.44 : x
  2. Step 2: Convert to fraction form
    144,126,120.40/198,908,271.21 = 82,255,715.44/x
  3. Step 3: Cross multiply
    144,126,120.40x = 198,908,271.21 × 82,255,715.44
  4. Step 4: Simplify right side
    144,126,120.40x = 16,361,342,155,312,104
  5. Step 5: Solve for x
    x = 16,361,342,155,312,104/144,126,120.40
  6. Step 6: Final answer
    x = 113,521,005.84

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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.