Home / 239,152,087.20-358,728,130.80-181,331,306.40

Finding the Fourth Proportional to 239,152,087.20, 358,728,130.80 and 181,331,306.40

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Solution

The fourth proportional to 239,152,087.20, 358,728,130.80 and 181,331,306.40 is: 271,996,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,152,087.20 : 358,728,130.80 = 181,331,306.40 : x
  2. Step 2: Convert to fraction form
    239,152,087.20/358,728,130.80 = 181,331,306.40/x
  3. Step 3: Cross multiply
    239,152,087.20x = 358,728,130.80 × 181,331,306.40
  4. Step 4: Simplify right side
    239,152,087.20x = 65,048,640,600,394,080
  5. Step 5: Solve for x
    x = 65,048,640,600,394,080/239,152,087.20
  6. Step 6: Final answer
    x = 271,996,959.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.