Home / 253,595,640.92-380,127,968.65-106,127,691.87

Finding the Fourth Proportional to 253,595,640.92, 380,127,968.65 and 106,127,691.87

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Solution

The fourth proportional to 253,595,640.92, 380,127,968.65 and 106,127,691.87 is: 159,080,431.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,595,640.92 : 380,127,968.65 = 106,127,691.87 : x
  2. Step 2: Convert to fraction form
    253,595,640.92/380,127,968.65 = 106,127,691.87/x
  3. Step 3: Cross multiply
    253,595,640.92x = 380,127,968.65 × 106,127,691.87
  4. Step 4: Simplify right side
    253,595,640.92x = 40,342,103,927,525,584
  5. Step 5: Solve for x
    x = 40,342,103,927,525,584/253,595,640.92
  6. Step 6: Final answer
    x = 159,080,431.28

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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.