Home / 168,159,396.64-232,059,864.72-90,897,060.64

Finding the Fourth Proportional to 168,159,396.64, 232,059,864.72 and 90,897,060.64

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Solution

The fourth proportional to 168,159,396.64, 232,059,864.72 and 90,897,060.64 is: 125,437,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,159,396.64 : 232,059,864.72 = 90,897,060.64 : x
  2. Step 2: Convert to fraction form
    168,159,396.64/232,059,864.72 = 90,897,060.64/x
  3. Step 3: Cross multiply
    168,159,396.64x = 232,059,864.72 × 90,897,060.64
  4. Step 4: Simplify right side
    168,159,396.64x = 21,093,559,595,564,036
  5. Step 5: Solve for x
    x = 21,093,559,595,564,036/168,159,396.64
  6. Step 6: Final answer
    x = 125,437,888.20

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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.