Home / 361,119,003.71-541,507,750.27-139,893,959.39

Finding the Fourth Proportional to 361,119,003.71, 541,507,750.27 and 139,893,959.39

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Solution

The fourth proportional to 361,119,003.71, 541,507,750.27 and 139,893,959.39 is: 209,774,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,119,003.71 : 541,507,750.27 = 139,893,959.39 : x
  2. Step 2: Convert to fraction form
    361,119,003.71/541,507,750.27 = 139,893,959.39/x
  3. Step 3: Cross multiply
    361,119,003.71x = 541,507,750.27 × 139,893,959.39
  4. Step 4: Simplify right side
    361,119,003.71x = 75,753,663,222,584,368
  5. Step 5: Solve for x
    x = 75,753,663,222,584,368/361,119,003.71
  6. Step 6: Final answer
    x = 209,774,790.15

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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.