Home / 219,878,917.44-303,459,826.20-127,059,425.28

Finding the Fourth Proportional to 219,878,917.44, 303,459,826.20 and 127,059,425.28

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Solution

The fourth proportional to 219,878,917.44, 303,459,826.20 and 127,059,425.28 is: 175,357,562.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,878,917.44 : 303,459,826.20 = 127,059,425.28 : x
  2. Step 2: Convert to fraction form
    219,878,917.44/303,459,826.20 = 127,059,425.28/x
  3. Step 3: Cross multiply
    219,878,917.44x = 303,459,826.20 × 127,059,425.28
  4. Step 4: Simplify right side
    219,878,917.44x = 38,557,431,112,540,688
  5. Step 5: Solve for x
    x = 38,557,431,112,540,688/219,878,917.44
  6. Step 6: Final answer
    x = 175,357,562.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.