Home / 151,687,865.58-209,327,764.23-82,071,718.98

Finding the Fourth Proportional to 151,687,865.58, 209,327,764.23 and 82,071,718.98

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Solution

The fourth proportional to 151,687,865.58, 209,327,764.23 and 82,071,718.98 is: 113,258,165.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,687,865.58 : 209,327,764.23 = 82,071,718.98 : x
  2. Step 2: Convert to fraction form
    151,687,865.58/209,327,764.23 = 82,071,718.98/x
  3. Step 3: Cross multiply
    151,687,865.58x = 209,327,764.23 × 82,071,718.98
  4. Step 4: Simplify right side
    151,687,865.58x = 17,179,889,440,596,256
  5. Step 5: Solve for x
    x = 17,179,889,440,596,256/151,687,865.58
  6. Step 6: Final answer
    x = 113,258,165.87

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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.