Home / 164,753,409.76-247,515,999.90-155,446,401.64

Finding the Fourth Proportional to 164,753,409.76, 247,515,999.90 and 155,446,401.64

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Solution

The fourth proportional to 164,753,409.76, 247,515,999.90 and 155,446,401.64 is: 233,533,688.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,753,409.76 : 247,515,999.90 = 155,446,401.64 : x
  2. Step 2: Convert to fraction form
    164,753,409.76/247,515,999.90 = 155,446,401.64/x
  3. Step 3: Cross multiply
    164,753,409.76x = 247,515,999.90 × 155,446,401.64
  4. Step 4: Simplify right side
    164,753,409.76x = 38,475,471,532,781,600
  5. Step 5: Solve for x
    x = 38,475,471,532,781,600/164,753,409.76
  6. Step 6: Final answer
    x = 233,533,688.86

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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.