Home / 76,486,624.87-114,736,874.16-21,157,926.31

Finding the Fourth Proportional to 76,486,624.87, 114,736,874.16 and 21,157,926.31

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Solution

The fourth proportional to 76,486,624.87, 114,736,874.16 and 21,157,926.31 is: 31,738,808.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,486,624.87 : 114,736,874.16 = 21,157,926.31 : x
  2. Step 2: Convert to fraction form
    76,486,624.87/114,736,874.16 = 21,157,926.31/x
  3. Step 3: Cross multiply
    76,486,624.87x = 114,736,874.16 × 21,157,926.31
  4. Step 4: Simplify right side
    76,486,624.87x = 2,427,594,328,517,023
  5. Step 5: Solve for x
    x = 2,427,594,328,517,023/76,486,624.87
  6. Step 6: Final answer
    x = 31,738,808.36

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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.