Home / 216,019,481.56-323,898,005.84-84,704,439.40

Finding the Fourth Proportional to 216,019,481.56, 323,898,005.84 and 84,704,439.40

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Solution

The fourth proportional to 216,019,481.56, 323,898,005.84 and 84,704,439.40 is: 127,005,207.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,019,481.56 : 323,898,005.84 = 84,704,439.40 : x
  2. Step 2: Convert to fraction form
    216,019,481.56/323,898,005.84 = 84,704,439.40/x
  3. Step 3: Cross multiply
    216,019,481.56x = 323,898,005.84 × 84,704,439.40
  4. Step 4: Simplify right side
    216,019,481.56x = 27,435,599,008,280,960
  5. Step 5: Solve for x
    x = 27,435,599,008,280,960/216,019,481.56
  6. Step 6: Final answer
    x = 127,005,207.17

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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.