Home / 55,987,220.32-77,211,120.72-38,371,722.64

Finding the Fourth Proportional to 55,987,220.32, 77,211,120.72 and 38,371,722.64

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Solution

The fourth proportional to 55,987,220.32, 77,211,120.72 and 38,371,722.64 is: 52,917,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,987,220.32 : 77,211,120.72 = 38,371,722.64 : x
  2. Step 2: Convert to fraction form
    55,987,220.32/77,211,120.72 = 38,371,722.64/x
  3. Step 3: Cross multiply
    55,987,220.32x = 77,211,120.72 × 38,371,722.64
  4. Step 4: Simplify right side
    55,987,220.32x = 2,962,723,708,991,397
  5. Step 5: Solve for x
    x = 2,962,723,708,991,397/55,987,220.32
  6. Step 6: Final answer
    x = 52,917,856.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.