Home / 92,934,486.70-139,401,730.05-82,890,251.80

Finding the Fourth Proportional to 92,934,486.70, 139,401,730.05 and 82,890,251.80

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Solution

The fourth proportional to 92,934,486.70, 139,401,730.05 and 82,890,251.80 is: 124,335,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,934,486.70 : 139,401,730.05 = 82,890,251.80 : x
  2. Step 2: Convert to fraction form
    92,934,486.70/139,401,730.05 = 82,890,251.80/x
  3. Step 3: Cross multiply
    92,934,486.70x = 139,401,730.05 × 82,890,251.80
  4. Step 4: Simplify right side
    92,934,486.70x = 11,555,044,505,200,128
  5. Step 5: Solve for x
    x = 11,555,044,505,200,128/92,934,486.70
  6. Step 6: Final answer
    x = 124,335,377.70

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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.