Home / 122,326,821.20-183,490,231.80-117,623,896.40

Finding the Fourth Proportional to 122,326,821.20, 183,490,231.80 and 117,623,896.40

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Solution

The fourth proportional to 122,326,821.20, 183,490,231.80 and 117,623,896.40 is: 176,435,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,326,821.20 : 183,490,231.80 = 117,623,896.40 : x
  2. Step 2: Convert to fraction form
    122,326,821.20/183,490,231.80 = 117,623,896.40/x
  3. Step 3: Cross multiply
    122,326,821.20x = 183,490,231.80 × 117,623,896.40
  4. Step 4: Simplify right side
    122,326,821.20x = 21,582,836,015,655,188
  5. Step 5: Solve for x
    x = 21,582,836,015,655,188/122,326,821.20
  6. Step 6: Final answer
    x = 176,435,844.60

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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.