Home / 70,964,652.77-106,464,958.11-21,782,999.54

Finding the Fourth Proportional to 70,964,652.77, 106,464,958.11 and 21,782,999.54

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Solution

The fourth proportional to 70,964,652.77, 106,464,958.11 and 21,782,999.54 is: 32,680,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,964,652.77 : 106,464,958.11 = 21,782,999.54 : x
  2. Step 2: Convert to fraction form
    70,964,652.77/106,464,958.11 = 21,782,999.54/x
  3. Step 3: Cross multiply
    70,964,652.77x = 106,464,958.11 × 21,782,999.54
  4. Step 4: Simplify right side
    70,964,652.77x = 2,319,126,132,895,009.50
  5. Step 5: Solve for x
    x = 2,319,126,132,895,009.50/70,964,652.77
  6. Step 6: Final answer
    x = 32,680,018.04

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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.