Home / 215,004,533.76-322,387,153.92-127,601,568

Finding the Fourth Proportional to 215,004,533.76, 322,387,153.92 and 127,601,568

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Solution

The fourth proportional to 215,004,533.76, 322,387,153.92 and 127,601,568 is: 191,331,343.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,004,533.76 : 322,387,153.92 = 127,601,568 : x
  2. Step 2: Convert to fraction form
    215,004,533.76/322,387,153.92 = 127,601,568/x
  3. Step 3: Cross multiply
    215,004,533.76x = 322,387,153.92 × 127,601,568
  4. Step 4: Simplify right side
    215,004,533.76x = 41,137,106,343,249,352
  5. Step 5: Solve for x
    x = 41,137,106,343,249,352/215,004,533.76
  6. Step 6: Final answer
    x = 191,331,343.69

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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.