Home / 56,253,161.61-84,382,990.53-21,709,742.61

Finding the Fourth Proportional to 56,253,161.61, 84,382,990.53 and 21,709,742.61

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Solution

The fourth proportional to 56,253,161.61, 84,382,990.53 and 21,709,742.61 is: 32,565,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,253,161.61 : 84,382,990.53 = 21,709,742.61 : x
  2. Step 2: Convert to fraction form
    56,253,161.61/84,382,990.53 = 21,709,742.61/x
  3. Step 3: Cross multiply
    56,253,161.61x = 84,382,990.53 × 21,709,742.61
  4. Step 4: Simplify right side
    56,253,161.61x = 1,831,933,005,068,367.50
  5. Step 5: Solve for x
    x = 1,831,933,005,068,367.50/56,253,161.61
  6. Step 6: Final answer
    x = 32,565,867.46

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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.