Home / 112,927,538.14-155,752,141.95-81,682,793.15

Finding the Fourth Proportional to 112,927,538.14, 155,752,141.95 and 81,682,793.15

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Solution

The fourth proportional to 112,927,538.14, 155,752,141.95 and 81,682,793.15 is: 112,658,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,927,538.14 : 155,752,141.95 = 81,682,793.15 : x
  2. Step 2: Convert to fraction form
    112,927,538.14/155,752,141.95 = 81,682,793.15/x
  3. Step 3: Cross multiply
    112,927,538.14x = 155,752,141.95 × 81,682,793.15
  4. Step 4: Simplify right side
    112,927,538.14x = 12,722,269,992,792,526
  5. Step 5: Solve for x
    x = 12,722,269,992,792,526/112,927,538.14
  6. Step 6: Final answer
    x = 112,658,703.12

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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.