Home / 216,483,454.72-324,725,175.80-99,864,306.85

Finding the Fourth Proportional to 216,483,454.72, 324,725,175.80 and 99,864,306.85

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Solution

The fourth proportional to 216,483,454.72, 324,725,175.80 and 99,864,306.85 is: 149,796,457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,483,454.72 : 324,725,175.80 = 99,864,306.85 : x
  2. Step 2: Convert to fraction form
    216,483,454.72/324,725,175.80 = 99,864,306.85/x
  3. Step 3: Cross multiply
    216,483,454.72x = 324,725,175.80 × 99,864,306.85
  4. Step 4: Simplify right side
    216,483,454.72x = 32,428,454,598,011,392
  5. Step 5: Solve for x
    x = 32,428,454,598,011,392/216,483,454.72
  6. Step 6: Final answer
    x = 149,796,457.38

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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.