Home / 79,618,737,272.76-109,873,114,880.50-43,489,755,869.12

Finding the Fourth Proportional to 79,618,737,272.76, 109,873,114,880.50 and 43,489,755,869.12

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Solution

The fourth proportional to 79,618,737,272.76, 109,873,114,880.50 and 43,489,755,869.12 is: 60,015,457,496.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,618,737,272.76 : 109,873,114,880.50 = 43,489,755,869.12 : x
  2. Step 2: Convert to fraction form
    79,618,737,272.76/109,873,114,880.50 = 43,489,755,869.12/x
  3. Step 3: Cross multiply
    79,618,737,272.76x = 109,873,114,880.50 × 43,489,755,869.12
  4. Step 4: Simplify right side
    79,618,737,272.76x = 4,778,354,942,732,721,455,104
  5. Step 5: Solve for x
    x = 4,778,354,942,732,721,455,104/79,618,737,272.76
  6. Step 6: Final answer
    x = 60,015,457,496.68

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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.