Home / 67,378,971.10-101,068,128.60-26,409,462.70

Finding the Fourth Proportional to 67,378,971.10, 101,068,128.60 and 26,409,462.70

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Solution

The fourth proportional to 67,378,971.10, 101,068,128.60 and 26,409,462.70 is: 39,614,065.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,378,971.10 : 101,068,128.60 = 26,409,462.70 : x
  2. Step 2: Convert to fraction form
    67,378,971.10/101,068,128.60 = 26,409,462.70/x
  3. Step 3: Cross multiply
    67,378,971.10x = 101,068,128.60 × 26,409,462.70
  4. Step 4: Simplify right side
    67,378,971.10x = 2,669,154,972,420,503
  5. Step 5: Solve for x
    x = 2,669,154,972,420,503/67,378,971.10
  6. Step 6: Final answer
    x = 39,614,065.47

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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.