Home / 79,618,737,270.02-109,873,114,876.69-43,489,755,866.36

Finding the Fourth Proportional to 79,618,737,270.02, 109,873,114,876.69 and 43,489,755,866.36

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Solution

The fourth proportional to 79,618,737,270.02, 109,873,114,876.69 and 43,489,755,866.36 is: 60,015,457,492.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,618,737,270.02 : 109,873,114,876.69 = 43,489,755,866.36 : x
  2. Step 2: Convert to fraction form
    79,618,737,270.02/109,873,114,876.69 = 43,489,755,866.36/x
  3. Step 3: Cross multiply
    79,618,737,270.02x = 109,873,114,876.69 × 43,489,755,866.36
  4. Step 4: Simplify right side
    79,618,737,270.02x = 4,778,354,942,264,214,552,576
  5. Step 5: Solve for x
    x = 4,778,354,942,264,214,552,576/79,618,737,270.02
  6. Step 6: Final answer
    x = 60,015,457,492.87

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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.