Home / 299,508,905.60-449,347,339.20-127,068,329.60

Finding the Fourth Proportional to 299,508,905.60, 449,347,339.20 and 127,068,329.60

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Solution

The fourth proportional to 299,508,905.60, 449,347,339.20 and 127,068,329.60 is: 190,638,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,508,905.60 : 449,347,339.20 = 127,068,329.60 : x
  2. Step 2: Convert to fraction form
    299,508,905.60/449,347,339.20 = 127,068,329.60/x
  3. Step 3: Cross multiply
    299,508,905.60x = 449,347,339.20 × 127,068,329.60
  4. Step 4: Simplify right side
    299,508,905.60x = 57,097,815,802,348,600
  5. Step 5: Solve for x
    x = 57,097,815,802,348,600/299,508,905.60
  6. Step 6: Final answer
    x = 190,638,123.72

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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.