Home / 219,844,829.70-329,767,244.55-143,317,325.70

Finding the Fourth Proportional to 219,844,829.70, 329,767,244.55 and 143,317,325.70

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Solution

The fourth proportional to 219,844,829.70, 329,767,244.55 and 143,317,325.70 is: 214,975,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,844,829.70 : 329,767,244.55 = 143,317,325.70 : x
  2. Step 2: Convert to fraction form
    219,844,829.70/329,767,244.55 = 143,317,325.70/x
  3. Step 3: Cross multiply
    219,844,829.70x = 329,767,244.55 × 143,317,325.70
  4. Step 4: Simplify right side
    219,844,829.70x = 47,261,359,592,363,896
  5. Step 5: Solve for x
    x = 47,261,359,592,363,896/219,844,829.70
  6. Step 6: Final answer
    x = 214,975,988.55

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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.