Home / 110,835,601.70-165,969,967.35-81,925,211.30

Finding the Fourth Proportional to 110,835,601.70, 165,969,967.35 and 81,925,211.30

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Solution

The fourth proportional to 110,835,601.70, 165,969,967.35 and 81,925,211.30 is: 122,678,313.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,835,601.70 : 165,969,967.35 = 81,925,211.30 : x
  2. Step 2: Convert to fraction form
    110,835,601.70/165,969,967.35 = 81,925,211.30/x
  3. Step 3: Cross multiply
    110,835,601.70x = 165,969,967.35 × 81,925,211.30
  4. Step 4: Simplify right side
    110,835,601.70x = 13,597,124,644,602,850
  5. Step 5: Solve for x
    x = 13,597,124,644,602,850/110,835,601.70
  6. Step 6: Final answer
    x = 122,678,313.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.