Home / 68,970,528,051.30-103,455,792,076.95-54,093,581,273.70

Finding the Fourth Proportional to 68,970,528,051.30, 103,455,792,076.95 and 54,093,581,273.70

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Solution

The fourth proportional to 68,970,528,051.30, 103,455,792,076.95 and 54,093,581,273.70 is: 81,140,371,910.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,970,528,051.30 : 103,455,792,076.95 = 54,093,581,273.70 : x
  2. Step 2: Convert to fraction form
    68,970,528,051.30/103,455,792,076.95 = 54,093,581,273.70/x
  3. Step 3: Cross multiply
    68,970,528,051.30x = 103,455,792,076.95 × 54,093,581,273.70
  4. Step 4: Simplify right side
    68,970,528,051.30x = 5,596,294,296,949,503,295,488
  5. Step 5: Solve for x
    x = 5,596,294,296,949,503,295,488/68,970,528,051.30
  6. Step 6: Final answer
    x = 81,140,371,910.55

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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.