Home / 179,815,289.92-269,613,712.40-70,509,511.06

Finding the Fourth Proportional to 179,815,289.92, 269,613,712.40 and 70,509,511.06

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Solution

The fourth proportional to 179,815,289.92, 269,613,712.40 and 70,509,511.06 is: 105,721,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,815,289.92 : 269,613,712.40 = 70,509,511.06 : x
  2. Step 2: Convert to fraction form
    179,815,289.92/269,613,712.40 = 70,509,511.06/x
  3. Step 3: Cross multiply
    179,815,289.92x = 269,613,712.40 × 70,509,511.06
  4. Step 4: Simplify right side
    179,815,289.92x = 19,010,331,035,223,664
  5. Step 5: Solve for x
    x = 19,010,331,035,223,664/179,815,289.92
  6. Step 6: Final answer
    x = 105,721,438.06

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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.