Home / 81,008,511.29-111,792,086.27-43,838,793.31

Finding the Fourth Proportional to 81,008,511.29, 111,792,086.27 and 43,838,793.31

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Solution

The fourth proportional to 81,008,511.29, 111,792,086.27 and 43,838,793.31 is: 60,497,719.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,008,511.29 : 111,792,086.27 = 43,838,793.31 : x
  2. Step 2: Convert to fraction form
    81,008,511.29/111,792,086.27 = 43,838,793.31/x
  3. Step 3: Cross multiply
    81,008,511.29x = 111,792,086.27 × 43,838,793.31
  4. Step 4: Simplify right side
    81,008,511.29x = 4,900,830,163,684,219
  5. Step 5: Solve for x
    x = 4,900,830,163,684,219/81,008,511.29
  6. Step 6: Final answer
    x = 60,497,719.14

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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.