Home / 361,119,008.08-541,507,756.83-139,893,963.76

Finding the Fourth Proportional to 361,119,008.08, 541,507,756.83 and 139,893,963.76

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Solution

The fourth proportional to 361,119,008.08, 541,507,756.83 and 139,893,963.76 is: 209,774,796.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,119,008.08 : 541,507,756.83 = 139,893,963.76 : x
  2. Step 2: Convert to fraction form
    361,119,008.08/541,507,756.83 = 139,893,963.76/x
  3. Step 3: Cross multiply
    361,119,008.08x = 541,507,756.83 × 139,893,963.76
  4. Step 4: Simplify right side
    361,119,008.08x = 75,753,666,509,734,912
  5. Step 5: Solve for x
    x = 75,753,666,509,734,912/361,119,008.08
  6. Step 6: Final answer
    x = 209,774,796.71

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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.