Home / 220,915,858.24-331,373,773.71-209,869,266.58

Finding the Fourth Proportional to 220,915,858.24, 331,373,773.71 and 209,869,266.58

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Solution

The fourth proportional to 220,915,858.24, 331,373,773.71 and 209,869,266.58 is: 314,803,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,915,858.24 : 331,373,773.71 = 209,869,266.58 : x
  2. Step 2: Convert to fraction form
    220,915,858.24/331,373,773.71 = 209,869,266.58/x
  3. Step 3: Cross multiply
    220,915,858.24x = 331,373,773.71 × 209,869,266.58
  4. Step 4: Simplify right side
    220,915,858.24x = 69,545,170,852,364,584
  5. Step 5: Solve for x
    x = 69,545,170,852,364,584/220,915,858.24
  6. Step 6: Final answer
    x = 314,803,886.90

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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.