Home / 239,481,036.80-359,221,555.20-213,653,004.20

Finding the Fourth Proportional to 239,481,036.80, 359,221,555.20 and 213,653,004.20

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Solution

The fourth proportional to 239,481,036.80, 359,221,555.20 and 213,653,004.20 is: 320,479,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,481,036.80 : 359,221,555.20 = 213,653,004.20 : x
  2. Step 2: Convert to fraction form
    239,481,036.80/359,221,555.20 = 213,653,004.20/x
  3. Step 3: Cross multiply
    239,481,036.80x = 359,221,555.20 × 213,653,004.20
  4. Step 4: Simplify right side
    239,481,036.80x = 76,748,764,441,876,128
  5. Step 5: Solve for x
    x = 76,748,764,441,876,128/239,481,036.80
  6. Step 6: Final answer
    x = 320,479,506.30

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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.