Home / 147,842,356.10-203,999,785.89-85,106,327.24

Finding the Fourth Proportional to 147,842,356.10, 203,999,785.89 and 85,106,327.24

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Solution

The fourth proportional to 147,842,356.10, 203,999,785.89 and 85,106,327.24 is: 117,433,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,842,356.10 : 203,999,785.89 = 85,106,327.24 : x
  2. Step 2: Convert to fraction form
    147,842,356.10/203,999,785.89 = 85,106,327.24/x
  3. Step 3: Cross multiply
    147,842,356.10x = 203,999,785.89 × 85,106,327.24
  4. Step 4: Simplify right side
    147,842,356.10x = 17,361,672,534,844,272
  5. Step 5: Solve for x
    x = 17,361,672,534,844,272/147,842,356.10
  6. Step 6: Final answer
    x = 117,433,684.05

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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.