Home / 219,532,951.68-329,329,709.25-127,460,051.20

Finding the Fourth Proportional to 219,532,951.68, 329,329,709.25 and 127,460,051.20

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Solution

The fourth proportional to 219,532,951.68, 329,329,709.25 and 127,460,051.20 is: 191,207,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,532,951.68 : 329,329,709.25 = 127,460,051.20 : x
  2. Step 2: Convert to fraction form
    219,532,951.68/329,329,709.25 = 127,460,051.20/x
  3. Step 3: Cross multiply
    219,532,951.68x = 329,329,709.25 × 127,460,051.20
  4. Step 4: Simplify right side
    219,532,951.68x = 41,976,381,602,686,112
  5. Step 5: Solve for x
    x = 41,976,381,602,686,112/219,532,951.68
  6. Step 6: Final answer
    x = 191,207,658.26

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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.