Home / 74,055,363.66-102,190,336.80-42,265,376.48

Finding the Fourth Proportional to 74,055,363.66, 102,190,336.80 and 42,265,376.48

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Solution

The fourth proportional to 74,055,363.66, 102,190,336.80 and 42,265,376.48 is: 58,322,758.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,055,363.66 : 102,190,336.80 = 42,265,376.48 : x
  2. Step 2: Convert to fraction form
    74,055,363.66/102,190,336.80 = 42,265,376.48/x
  3. Step 3: Cross multiply
    74,055,363.66x = 102,190,336.80 × 42,265,376.48
  4. Step 4: Simplify right side
    74,055,363.66x = 4,319,113,057,469,998
  5. Step 5: Solve for x
    x = 4,319,113,057,469,998/74,055,363.66
  6. Step 6: Final answer
    x = 58,322,758.06

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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.