Home / 239,565,922.40-330,601,969.34-129,557,635.40

Finding the Fourth Proportional to 239,565,922.40, 330,601,969.34 and 129,557,635.40

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Solution

The fourth proportional to 239,565,922.40, 330,601,969.34 and 129,557,635.40 is: 178,790,075.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,565,922.40 : 330,601,969.34 = 129,557,635.40 : x
  2. Step 2: Convert to fraction form
    239,565,922.40/330,601,969.34 = 129,557,635.40/x
  3. Step 3: Cross multiply
    239,565,922.40x = 330,601,969.34 × 129,557,635.40
  4. Step 4: Simplify right side
    239,565,922.40x = 42,832,009,406,273,696
  5. Step 5: Solve for x
    x = 42,832,009,406,273,696/239,565,922.40
  6. Step 6: Final answer
    x = 178,790,075.72

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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.