Home / 220,849,708.40-331,274,562.60-159,308,840.60

Finding the Fourth Proportional to 220,849,708.40, 331,274,562.60 and 159,308,840.60

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Solution

The fourth proportional to 220,849,708.40, 331,274,562.60 and 159,308,840.60 is: 238,963,260.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,849,708.40 : 331,274,562.60 = 159,308,840.60 : x
  2. Step 2: Convert to fraction form
    220,849,708.40/331,274,562.60 = 159,308,840.60/x
  3. Step 3: Cross multiply
    220,849,708.40x = 331,274,562.60 × 159,308,840.60
  4. Step 4: Simplify right side
    220,849,708.40x = 52,774,966,488,078,120
  5. Step 5: Solve for x
    x = 52,774,966,488,078,120/220,849,708.40
  6. Step 6: Final answer
    x = 238,963,260.90

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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.