Home / 219,713,348.34-329,627,458.98-127,508,449.68

Finding the Fourth Proportional to 219,713,348.34, 329,627,458.98 and 127,508,449.68

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Solution

The fourth proportional to 219,713,348.34, 329,627,458.98 and 127,508,449.68 is: 191,296,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,713,348.34 : 329,627,458.98 = 127,508,449.68 : x
  2. Step 2: Convert to fraction form
    219,713,348.34/329,627,458.98 = 127,508,449.68/x
  3. Step 3: Cross multiply
    219,713,348.34x = 329,627,458.98 × 127,508,449.68
  4. Step 4: Simplify right side
    219,713,348.34x = 42,030,286,266,497,600
  5. Step 5: Solve for x
    x = 42,030,286,266,497,600/219,713,348.34
  6. Step 6: Final answer
    x = 191,296,007.20

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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.