Home / 147,842,357.10-203,999,787.27-85,106,328.24

Finding the Fourth Proportional to 147,842,357.10, 203,999,787.27 and 85,106,328.24

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Solution

The fourth proportional to 147,842,357.10, 203,999,787.27 and 85,106,328.24 is: 117,433,685.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,842,357.10 : 203,999,787.27 = 85,106,328.24 : x
  2. Step 2: Convert to fraction form
    147,842,357.10/203,999,787.27 = 85,106,328.24/x
  3. Step 3: Cross multiply
    147,842,357.10x = 203,999,787.27 × 85,106,328.24
  4. Step 4: Simplify right side
    147,842,357.10x = 17,361,672,856,290,794
  5. Step 5: Solve for x
    x = 17,361,672,856,290,794/147,842,357.10
  6. Step 6: Final answer
    x = 117,433,685.43

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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.