Home / 310,166,660.64-428,010,760.08-170,929,643.52

Finding the Fourth Proportional to 310,166,660.64, 428,010,760.08 and 170,929,643.52

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Solution

The fourth proportional to 310,166,660.64, 428,010,760.08 and 170,929,643.52 is: 235,872,309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,166,660.64 : 428,010,760.08 = 170,929,643.52 : x
  2. Step 2: Convert to fraction form
    310,166,660.64/428,010,760.08 = 170,929,643.52/x
  3. Step 3: Cross multiply
    310,166,660.64x = 428,010,760.08 × 170,929,643.52
  4. Step 4: Simplify right side
    310,166,660.64x = 73,159,726,643,198,656
  5. Step 5: Solve for x
    x = 73,159,726,643,198,656/310,166,660.64
  6. Step 6: Final answer
    x = 235,872,309.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.