Home / 310,236,038.22-428,125,628.31-171,009,125.04

Finding the Fourth Proportional to 310,236,038.22, 428,125,628.31 and 171,009,125.04

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Solution

The fourth proportional to 310,236,038.22, 428,125,628.31 and 171,009,125.04 is: 235,992,534.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,236,038.22 : 428,125,628.31 = 171,009,125.04 : x
  2. Step 2: Convert to fraction form
    310,236,038.22/428,125,628.31 = 171,009,125.04/x
  3. Step 3: Cross multiply
    310,236,038.22x = 428,125,628.31 × 171,009,125.04
  4. Step 4: Simplify right side
    310,236,038.22x = 73,213,389,104,493,344
  5. Step 5: Solve for x
    x = 73,213,389,104,493,344/310,236,038.22
  6. Step 6: Final answer
    x = 235,992,534.99

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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.