Home / 68,970,528,035.80-103,455,792,053.70-54,093,581,258.20

Finding the Fourth Proportional to 68,970,528,035.80, 103,455,792,053.70 and 54,093,581,258.20

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Solution

The fourth proportional to 68,970,528,035.80, 103,455,792,053.70 and 54,093,581,258.20 is: 81,140,371,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,970,528,035.80 : 103,455,792,053.70 = 54,093,581,258.20 : x
  2. Step 2: Convert to fraction form
    68,970,528,035.80/103,455,792,053.70 = 54,093,581,258.20/x
  3. Step 3: Cross multiply
    68,970,528,035.80x = 103,455,792,053.70 × 54,093,581,258.20
  4. Step 4: Simplify right side
    68,970,528,035.80x = 5,596,294,294,088,262,352,896
  5. Step 5: Solve for x
    x = 5,596,294,294,088,262,352,896/68,970,528,035.80
  6. Step 6: Final answer
    x = 81,140,371,887.30

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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.