Home / 191,887,013.76-264,804,076.26-103,781,019.12

Finding the Fourth Proportional to 191,887,013.76, 264,804,076.26 and 103,781,019.12

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Solution

The fourth proportional to 191,887,013.76, 264,804,076.26 and 103,781,019.12 is: 143,217,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,887,013.76 : 264,804,076.26 = 103,781,019.12 : x
  2. Step 2: Convert to fraction form
    191,887,013.76/264,804,076.26 = 103,781,019.12/x
  3. Step 3: Cross multiply
    191,887,013.76x = 264,804,076.26 × 103,781,019.12
  4. Step 4: Simplify right side
    191,887,013.76x = 27,481,636,901,393,000
  5. Step 5: Solve for x
    x = 27,481,636,901,393,000/191,887,013.76
  6. Step 6: Final answer
    x = 143,217,804.91

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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.