Home / 272,741,713.20-409,112,569.80-100,342,252.80

Finding the Fourth Proportional to 272,741,713.20, 409,112,569.80 and 100,342,252.80

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Solution

The fourth proportional to 272,741,713.20, 409,112,569.80 and 100,342,252.80 is: 150,513,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,741,713.20 : 409,112,569.80 = 100,342,252.80 : x
  2. Step 2: Convert to fraction form
    272,741,713.20/409,112,569.80 = 100,342,252.80/x
  3. Step 3: Cross multiply
    272,741,713.20x = 409,112,569.80 × 100,342,252.80
  4. Step 4: Simplify right side
    272,741,713.20x = 41,051,276,902,529,248
  5. Step 5: Solve for x
    x = 41,051,276,902,529,248/272,741,713.20
  6. Step 6: Final answer
    x = 150,513,379.20

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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.