Home / 148,582,128.52-205,042,267.38-82,502,302.60

Finding the Fourth Proportional to 148,582,128.52, 205,042,267.38 and 82,502,302.60

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Solution

The fourth proportional to 148,582,128.52, 205,042,267.38 and 82,502,302.60 is: 113,852,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,582,128.52 : 205,042,267.38 = 82,502,302.60 : x
  2. Step 2: Convert to fraction form
    148,582,128.52/205,042,267.38 = 82,502,302.60/x
  3. Step 3: Cross multiply
    148,582,128.52x = 205,042,267.38 × 82,502,302.60
  4. Step 4: Simplify right side
    148,582,128.52x = 16,916,459,189,174,868
  5. Step 5: Solve for x
    x = 16,916,459,189,174,868/148,582,128.52
  6. Step 6: Final answer
    x = 113,852,583.47

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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.