Home / 68,970,528,028.80-103,455,792,043.20-54,093,581,251.20

Finding the Fourth Proportional to 68,970,528,028.80, 103,455,792,043.20 and 54,093,581,251.20

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Solution

The fourth proportional to 68,970,528,028.80, 103,455,792,043.20 and 54,093,581,251.20 is: 81,140,371,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,970,528,028.80 : 103,455,792,043.20 = 54,093,581,251.20 : x
  2. Step 2: Convert to fraction form
    68,970,528,028.80/103,455,792,043.20 = 54,093,581,251.20/x
  3. Step 3: Cross multiply
    68,970,528,028.80x = 103,455,792,043.20 × 54,093,581,251.20
  4. Step 4: Simplify right side
    68,970,528,028.80x = 5,596,294,292,796,089,565,184
  5. Step 5: Solve for x
    x = 5,596,294,292,796,089,565,184/68,970,528,028.80
  6. Step 6: Final answer
    x = 81,140,371,876.80

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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.