Home / 239,789,490.81-330,917,521.28-146,952,069.81

Finding the Fourth Proportional to 239,789,490.81, 330,917,521.28 and 146,952,069.81

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Solution

The fourth proportional to 239,789,490.81, 330,917,521.28 and 146,952,069.81 is: 202,798,773.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,789,490.81 : 330,917,521.28 = 146,952,069.81 : x
  2. Step 2: Convert to fraction form
    239,789,490.81/330,917,521.28 = 146,952,069.81/x
  3. Step 3: Cross multiply
    239,789,490.81x = 330,917,521.28 × 146,952,069.81
  4. Step 4: Simplify right side
    239,789,490.81x = 48,629,014,687,755,960
  5. Step 5: Solve for x
    x = 48,629,014,687,755,960/239,789,490.81
  6. Step 6: Final answer
    x = 202,798,773.72

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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.