Home / 379,827,399.60-569,730,470.04-121,058,147.88

Finding the Fourth Proportional to 379,827,399.60, 569,730,470.04 and 121,058,147.88

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Solution

The fourth proportional to 379,827,399.60, 569,730,470.04 and 121,058,147.88 is: 181,583,834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,827,399.60 : 569,730,470.04 = 121,058,147.88 : x
  2. Step 2: Convert to fraction form
    379,827,399.60/569,730,470.04 = 121,058,147.88/x
  3. Step 3: Cross multiply
    379,827,399.60x = 569,730,470.04 × 121,058,147.88
  4. Step 4: Simplify right side
    379,827,399.60x = 68,970,515,493,844,224
  5. Step 5: Solve for x
    x = 68,970,515,493,844,224/379,827,399.60
  6. Step 6: Final answer
    x = 181,583,834.04

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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.