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Finding the Fourth Proportional to 92,786,753,847.80, 139,180,130,771.70 and 92,786,753,847.80

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Solution

The fourth proportional to 92,786,753,847.80, 139,180,130,771.70 and 92,786,753,847.80 is: 139,180,130,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,786,753,847.80 : 139,180,130,771.70 = 92,786,753,847.80 : x
  2. Step 2: Convert to fraction form
    92,786,753,847.80/139,180,130,771.70 = 92,786,753,847.80/x
  3. Step 3: Cross multiply
    92,786,753,847.80x = 139,180,130,771.70 × 92,786,753,847.80
  4. Step 4: Simplify right side
    92,786,753,847.80x = 12,914,072,534,418,343,329,792
  5. Step 5: Solve for x
    x = 12,914,072,534,418,343,329,792/92,786,753,847.80
  6. Step 6: Final answer
    x = 139,180,130,771.70

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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.