Home / 66,112,031.70-99,168,047.55-55,530,450.90

Finding the Fourth Proportional to 66,112,031.70, 99,168,047.55 and 55,530,450.90

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Solution

The fourth proportional to 66,112,031.70, 99,168,047.55 and 55,530,450.90 is: 83,295,676.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,112,031.70 : 99,168,047.55 = 55,530,450.90 : x
  2. Step 2: Convert to fraction form
    66,112,031.70/99,168,047.55 = 55,530,450.90/x
  3. Step 3: Cross multiply
    66,112,031.70x = 99,168,047.55 × 55,530,450.90
  4. Step 4: Simplify right side
    66,112,031.70x = 5,506,846,395,324,140
  5. Step 5: Solve for x
    x = 5,506,846,395,324,140/66,112,031.70
  6. Step 6: Final answer
    x = 83,295,676.35

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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.