Home / 317,143,743.89-437,661,353.22-177,917,495.01

Finding the Fourth Proportional to 317,143,743.89, 437,661,353.22 and 177,917,495.01

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Solution

The fourth proportional to 317,143,743.89, 437,661,353.22 and 177,917,495.01 is: 245,527,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,143,743.89 : 437,661,353.22 = 177,917,495.01 : x
  2. Step 2: Convert to fraction form
    317,143,743.89/437,661,353.22 = 177,917,495.01/x
  3. Step 3: Cross multiply
    317,143,743.89x = 437,661,353.22 × 177,917,495.01
  4. Step 4: Simplify right side
    317,143,743.89x = 77,867,611,627,589,200
  5. Step 5: Solve for x
    x = 77,867,611,627,589,200/317,143,743.89
  6. Step 6: Final answer
    x = 245,527,818.62

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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.