Home / 308,852,224.12-426,214,420.68-167,722,210.90

Finding the Fourth Proportional to 308,852,224.12, 426,214,420.68 and 167,722,210.90

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Solution

The fourth proportional to 308,852,224.12, 426,214,420.68 and 167,722,210.90 is: 231,455,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,852,224.12 : 426,214,420.68 = 167,722,210.90 : x
  2. Step 2: Convert to fraction form
    308,852,224.12/426,214,420.68 = 167,722,210.90/x
  3. Step 3: Cross multiply
    308,852,224.12x = 426,214,420.68 × 167,722,210.90
  4. Step 4: Simplify right side
    308,852,224.12x = 71,485,624,953,912,288
  5. Step 5: Solve for x
    x = 71,485,624,953,912,288/308,852,224.12
  6. Step 6: Final answer
    x = 231,455,755.77

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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.