Home / 219,402,109.96-329,216,312.12-102,829,308.87

Finding the Fourth Proportional to 219,402,109.96, 329,216,312.12 and 102,829,308.87

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Solution

The fourth proportional to 219,402,109.96, 329,216,312.12 and 102,829,308.87 is: 154,296,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,402,109.96 : 329,216,312.12 = 102,829,308.87 : x
  2. Step 2: Convert to fraction form
    219,402,109.96/329,216,312.12 = 102,829,308.87/x
  3. Step 3: Cross multiply
    219,402,109.96x = 329,216,312.12 × 102,829,308.87
  4. Step 4: Simplify right side
    219,402,109.96x = 33,853,085,844,750,220
  5. Step 5: Solve for x
    x = 33,853,085,844,750,220/219,402,109.96
  6. Step 6: Final answer
    x = 154,296,993.09

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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.