Home / 217,702,828.98-300,429,929.88-119,917,684.98

Finding the Fourth Proportional to 217,702,828.98, 300,429,929.88 and 119,917,684.98

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Solution

The fourth proportional to 217,702,828.98, 300,429,929.88 and 119,917,684.98 is: 165,486,419.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,702,828.98 : 300,429,929.88 = 119,917,684.98 : x
  2. Step 2: Convert to fraction form
    217,702,828.98/300,429,929.88 = 119,917,684.98/x
  3. Step 3: Cross multiply
    217,702,828.98x = 300,429,929.88 × 119,917,684.98
  4. Step 4: Simplify right side
    217,702,828.98x = 36,026,861,689,913,328
  5. Step 5: Solve for x
    x = 36,026,861,689,913,328/217,702,828.98
  6. Step 6: Final answer
    x = 165,486,419.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.