Home / 292,421,412.92-438,628,737.78-71,094,006.51

Finding the Fourth Proportional to 292,421,412.92, 438,628,737.78 and 71,094,006.51

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Solution

The fourth proportional to 292,421,412.92, 438,628,737.78 and 71,094,006.51 is: 106,640,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,421,412.92 : 438,628,737.78 = 71,094,006.51 : x
  2. Step 2: Convert to fraction form
    292,421,412.92/438,628,737.78 = 71,094,006.51/x
  3. Step 3: Cross multiply
    292,421,412.92x = 438,628,737.78 × 71,094,006.51
  4. Step 4: Simplify right side
    292,421,412.92x = 31,183,874,339,204,404
  5. Step 5: Solve for x
    x = 31,183,874,339,204,404/292,421,412.92
  6. Step 6: Final answer
    x = 106,640,187.62

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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.