Home / 200,084,075.24-276,145,018.35-115,294,698.86

Finding the Fourth Proportional to 200,084,075.24, 276,145,018.35 and 115,294,698.86

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Solution

The fourth proportional to 200,084,075.24, 276,145,018.35 and 115,294,698.86 is: 159,123,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,084,075.24 : 276,145,018.35 = 115,294,698.86 : x
  2. Step 2: Convert to fraction form
    200,084,075.24/276,145,018.35 = 115,294,698.86/x
  3. Step 3: Cross multiply
    200,084,075.24x = 276,145,018.35 × 115,294,698.86
  4. Step 4: Simplify right side
    200,084,075.24x = 31,838,056,732,352,428
  5. Step 5: Solve for x
    x = 31,838,056,732,352,428/200,084,075.24
  6. Step 6: Final answer
    x = 159,123,391.97

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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.