Home / 239,565,835.28-330,601,848.66-129,557,548.28

Finding the Fourth Proportional to 239,565,835.28, 330,601,848.66 and 129,557,548.28

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Solution

The fourth proportional to 239,565,835.28, 330,601,848.66 and 129,557,548.28 is: 178,789,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,565,835.28 : 330,601,848.66 = 129,557,548.28 : x
  2. Step 2: Convert to fraction form
    239,565,835.28/330,601,848.66 = 129,557,548.28/x
  3. Step 3: Cross multiply
    239,565,835.28x = 330,601,848.66 × 129,557,548.28
  4. Step 4: Simplify right side
    239,565,835.28x = 42,831,964,969,225,208
  5. Step 5: Solve for x
    x = 42,831,964,969,225,208/239,565,835.28
  6. Step 6: Final answer
    x = 178,789,955.25

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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.