Home / 72,261,980.82-108,375,615.72-33,363,058.67

Finding the Fourth Proportional to 72,261,980.82, 108,375,615.72 and 33,363,058.67

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Solution

The fourth proportional to 72,261,980.82, 108,375,615.72 and 33,363,058.67 is: 50,036,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,261,980.82 : 108,375,615.72 = 33,363,058.67 : x
  2. Step 2: Convert to fraction form
    72,261,980.82/108,375,615.72 = 33,363,058.67/x
  3. Step 3: Cross multiply
    72,261,980.82x = 108,375,615.72 × 33,363,058.67
  4. Step 4: Simplify right side
    72,261,980.82x = 3,615,742,025,733,126
  5. Step 5: Solve for x
    x = 3,615,742,025,733,126/72,261,980.82
  6. Step 6: Final answer
    x = 50,036,575.04

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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.