Home / 219,839,281.40-329,758,922.10-112,343,857.40

Finding the Fourth Proportional to 219,839,281.40, 329,758,922.10 and 112,343,857.40

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Solution

The fourth proportional to 219,839,281.40, 329,758,922.10 and 112,343,857.40 is: 168,515,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,839,281.40 : 329,758,922.10 = 112,343,857.40 : x
  2. Step 2: Convert to fraction form
    219,839,281.40/329,758,922.10 = 112,343,857.40/x
  3. Step 3: Cross multiply
    219,839,281.40x = 329,758,922.10 × 112,343,857.40
  4. Step 4: Simplify right side
    219,839,281.40x = 37,046,389,320,780,112
  5. Step 5: Solve for x
    x = 37,046,389,320,780,112/219,839,281.40
  6. Step 6: Final answer
    x = 168,515,786.10

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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.