Home / 161,115,177,820.96-241,631,545,011.72-47,768,399,384.32

Finding the Fourth Proportional to 161,115,177,820.96, 241,631,545,011.72 and 47,768,399,384.32

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Solution

The fourth proportional to 161,115,177,820.96, 241,631,545,011.72 and 47,768,399,384.32 is: 71,640,377,412.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,115,177,820.96 : 241,631,545,011.72 = 47,768,399,384.32 : x
  2. Step 2: Convert to fraction form
    161,115,177,820.96/241,631,545,011.72 = 47,768,399,384.32/x
  3. Step 3: Cross multiply
    161,115,177,820.96x = 241,631,545,011.72 × 47,768,399,384.32
  4. Step 4: Simplify right side
    161,115,177,820.96x = 11,542,352,145,970,135,826,432
  5. Step 5: Solve for x
    x = 11,542,352,145,970,135,826,432/161,115,177,820.96
  6. Step 6: Final answer
    x = 71,640,377,412.47

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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.