Home / 219,713,353.34-329,627,466.48-127,508,454.68

Finding the Fourth Proportional to 219,713,353.34, 329,627,466.48 and 127,508,454.68

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Solution

The fourth proportional to 219,713,353.34, 329,627,466.48 and 127,508,454.68 is: 191,296,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,713,353.34 : 329,627,466.48 = 127,508,454.68 : x
  2. Step 2: Convert to fraction form
    219,713,353.34/329,627,466.48 = 127,508,454.68/x
  3. Step 3: Cross multiply
    219,713,353.34x = 329,627,466.48 × 127,508,454.68
  4. Step 4: Simplify right side
    219,713,353.34x = 42,030,288,870,948,304
  5. Step 5: Solve for x
    x = 42,030,288,870,948,304/219,713,353.34
  6. Step 6: Final answer
    x = 191,296,014.70

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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.