Home / 122,071,640.54-168,454,977.78-69,859,555.19

Finding the Fourth Proportional to 122,071,640.54, 168,454,977.78 and 69,859,555.19

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Solution

The fourth proportional to 122,071,640.54, 168,454,977.78 and 69,859,555.19 is: 96,403,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,071,640.54 : 168,454,977.78 = 69,859,555.19 : x
  2. Step 2: Convert to fraction form
    122,071,640.54/168,454,977.78 = 69,859,555.19/x
  3. Step 3: Cross multiply
    122,071,640.54x = 168,454,977.78 × 69,859,555.19
  4. Step 4: Simplify right side
    122,071,640.54x = 11,768,189,818,251,096
  5. Step 5: Solve for x
    x = 11,768,189,818,251,096/122,071,640.54
  6. Step 6: Final answer
    x = 96,403,962.18

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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.