Home / 74,055,372.64-102,190,349.20-42,265,385.48

Finding the Fourth Proportional to 74,055,372.64, 102,190,349.20 and 42,265,385.48

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Solution

The fourth proportional to 74,055,372.64, 102,190,349.20 and 42,265,385.48 is: 58,322,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,055,372.64 : 102,190,349.20 = 42,265,385.48 : x
  2. Step 2: Convert to fraction form
    74,055,372.64/102,190,349.20 = 42,265,385.48/x
  3. Step 3: Cross multiply
    74,055,372.64x = 102,190,349.20 × 42,265,385.48
  4. Step 4: Simplify right side
    74,055,372.64x = 4,319,114,501,273,809.50
  5. Step 5: Solve for x
    x = 4,319,114,501,273,809.50/74,055,372.64
  6. Step 6: Final answer
    x = 58,322,770.48

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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.