Home / 144,126,120.90-198,908,271.90-82,255,715.94

Finding the Fourth Proportional to 144,126,120.90, 198,908,271.90 and 82,255,715.94

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Solution

The fourth proportional to 144,126,120.90, 198,908,271.90 and 82,255,715.94 is: 113,521,006.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,126,120.90 : 198,908,271.90 = 82,255,715.94 : x
  2. Step 2: Convert to fraction form
    144,126,120.90/198,908,271.90 = 82,255,715.94/x
  3. Step 3: Cross multiply
    144,126,120.90x = 198,908,271.90 × 82,255,715.94
  4. Step 4: Simplify right side
    144,126,120.90x = 16,361,342,311,522,684
  5. Step 5: Solve for x
    x = 16,361,342,311,522,684/144,126,120.90
  6. Step 6: Final answer
    x = 113,521,006.53

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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.