Home / 202,295,989.92-279,169,345.78-109,476,506

Finding the Fourth Proportional to 202,295,989.92, 279,169,345.78 and 109,476,506

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Solution

The fourth proportional to 202,295,989.92, 279,169,345.78 and 109,476,506 is: 151,078,054.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,295,989.92 : 279,169,345.78 = 109,476,506 : x
  2. Step 2: Convert to fraction form
    202,295,989.92/279,169,345.78 = 109,476,506/x
  3. Step 3: Cross multiply
    202,295,989.92x = 279,169,345.78 × 109,476,506
  4. Step 4: Simplify right side
    202,295,989.92x = 30,562,484,558,300,240
  5. Step 5: Solve for x
    x = 30,562,484,558,300,240/202,295,989.92
  6. Step 6: Final answer
    x = 151,078,054.34

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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.