Home / 219,845,411.70-329,768,117.55-143,317,907.70

Finding the Fourth Proportional to 219,845,411.70, 329,768,117.55 and 143,317,907.70

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Solution

The fourth proportional to 219,845,411.70, 329,768,117.55 and 143,317,907.70 is: 214,976,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,845,411.70 : 329,768,117.55 = 143,317,907.70 : x
  2. Step 2: Convert to fraction form
    219,845,411.70/329,768,117.55 = 143,317,907.70/x
  3. Step 3: Cross multiply
    219,845,411.70x = 329,768,117.55 × 143,317,907.70
  4. Step 4: Simplify right side
    219,845,411.70x = 47,261,676,633,433,648
  5. Step 5: Solve for x
    x = 47,261,676,633,433,648/219,845,411.70
  6. Step 6: Final answer
    x = 214,976,861.55

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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.