Home / 122,393,059.20-183,589,588.80-115,212,700.80

Finding the Fourth Proportional to 122,393,059.20, 183,589,588.80 and 115,212,700.80

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Solution

The fourth proportional to 122,393,059.20, 183,589,588.80 and 115,212,700.80 is: 172,819,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,393,059.20 : 183,589,588.80 = 115,212,700.80 : x
  2. Step 2: Convert to fraction form
    122,393,059.20/183,589,588.80 = 115,212,700.80/x
  3. Step 3: Cross multiply
    122,393,059.20x = 183,589,588.80 × 115,212,700.80
  4. Step 4: Simplify right side
    122,393,059.20x = 21,151,852,364,409,432
  5. Step 5: Solve for x
    x = 21,151,852,364,409,432/122,393,059.20
  6. Step 6: Final answer
    x = 172,819,051.20

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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.