Home / 361,118,940.33-541,507,655.10-139,893,896.01

Finding the Fourth Proportional to 361,118,940.33, 541,507,655.10 and 139,893,896.01

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Solution

The fourth proportional to 361,118,940.33, 541,507,655.10 and 139,893,896.01 is: 209,774,695.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,118,940.33 : 541,507,655.10 = 139,893,896.01 : x
  2. Step 2: Convert to fraction form
    361,118,940.33/541,507,655.10 = 139,893,896.01/x
  3. Step 3: Cross multiply
    361,118,940.33x = 541,507,655.10 × 139,893,896.01
  4. Step 4: Simplify right side
    361,118,940.33x = 75,753,615,591,178,352
  5. Step 5: Solve for x
    x = 75,753,615,591,178,352/361,118,940.33
  6. Step 6: Final answer
    x = 209,774,695.07

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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.