Home / 123,870,001.51-170,951,495.52-68,125,243.96

Finding the Fourth Proportional to 123,870,001.51, 170,951,495.52 and 68,125,243.96

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Solution

The fourth proportional to 123,870,001.51, 170,951,495.52 and 68,125,243.96 is: 94,018,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,870,001.51 : 170,951,495.52 = 68,125,243.96 : x
  2. Step 2: Convert to fraction form
    123,870,001.51/170,951,495.52 = 68,125,243.96/x
  3. Step 3: Cross multiply
    123,870,001.51x = 170,951,495.52 × 68,125,243.96
  4. Step 4: Simplify right side
    123,870,001.51x = 11,646,112,337,626,846
  5. Step 5: Solve for x
    x = 11,646,112,337,626,846/123,870,001.51
  6. Step 6: Final answer
    x = 94,018,827.77

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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.