Home / 168,159,400.64-232,059,870.24-90,897,064.64

Finding the Fourth Proportional to 168,159,400.64, 232,059,870.24 and 90,897,064.64

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Solution

The fourth proportional to 168,159,400.64, 232,059,870.24 and 90,897,064.64 is: 125,437,893.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,159,400.64 : 232,059,870.24 = 90,897,064.64 : x
  2. Step 2: Convert to fraction form
    168,159,400.64/232,059,870.24 = 90,897,064.64/x
  3. Step 3: Cross multiply
    168,159,400.64x = 232,059,870.24 × 90,897,064.64
  4. Step 4: Simplify right side
    168,159,400.64x = 21,093,561,025,555,292
  5. Step 5: Solve for x
    x = 21,093,561,025,555,292/168,159,400.64
  6. Step 6: Final answer
    x = 125,437,893.72

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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.