Home / 68,970,528,042.30-103,455,792,063.45-54,093,581,264.70

Finding the Fourth Proportional to 68,970,528,042.30, 103,455,792,063.45 and 54,093,581,264.70

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Solution

The fourth proportional to 68,970,528,042.30, 103,455,792,063.45 and 54,093,581,264.70 is: 81,140,371,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,970,528,042.30 : 103,455,792,063.45 = 54,093,581,264.70 : x
  2. Step 2: Convert to fraction form
    68,970,528,042.30/103,455,792,063.45 = 54,093,581,264.70/x
  3. Step 3: Cross multiply
    68,970,528,042.30x = 103,455,792,063.45 × 54,093,581,264.70
  4. Step 4: Simplify right side
    68,970,528,042.30x = 5,596,294,295,288,137,383,936
  5. Step 5: Solve for x
    x = 5,596,294,295,288,137,383,936/68,970,528,042.30
  6. Step 6: Final answer
    x = 81,140,371,897.05

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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.