Home / 173,321,090.82-239,043,640.52-152,368,323.64

Finding the Fourth Proportional to 173,321,090.82, 239,043,640.52 and 152,368,323.64

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Solution

The fourth proportional to 173,321,090.82, 239,043,640.52 and 152,368,323.64 is: 210,145,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,321,090.82 : 239,043,640.52 = 152,368,323.64 : x
  2. Step 2: Convert to fraction form
    173,321,090.82/239,043,640.52 = 152,368,323.64/x
  3. Step 3: Cross multiply
    173,321,090.82x = 239,043,640.52 × 152,368,323.64
  4. Step 4: Simplify right side
    173,321,090.82x = 36,422,678,782,618,488
  5. Step 5: Solve for x
    x = 36,422,678,782,618,488/173,321,090.82
  6. Step 6: Final answer
    x = 210,145,681.70

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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.