Home / 110,664,600.30-165,996,900.45-72,444,005.10

Finding the Fourth Proportional to 110,664,600.30, 165,996,900.45 and 72,444,005.10

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Solution

The fourth proportional to 110,664,600.30, 165,996,900.45 and 72,444,005.10 is: 108,666,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,664,600.30 : 165,996,900.45 = 72,444,005.10 : x
  2. Step 2: Convert to fraction form
    110,664,600.30/165,996,900.45 = 72,444,005.10/x
  3. Step 3: Cross multiply
    110,664,600.30x = 165,996,900.45 × 72,444,005.10
  4. Step 4: Simplify right side
    110,664,600.30x = 12,025,480,302,783,990
  5. Step 5: Solve for x
    x = 12,025,480,302,783,990/110,664,600.30
  6. Step 6: Final answer
    x = 108,666,007.65

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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.