Home / 151,149,504.10-208,579,606.10-84,171,917.38

Finding the Fourth Proportional to 151,149,504.10, 208,579,606.10 and 84,171,917.38

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Solution

The fourth proportional to 151,149,504.10, 208,579,606.10 and 84,171,917.38 is: 116,153,509.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,149,504.10 : 208,579,606.10 = 84,171,917.38 : x
  2. Step 2: Convert to fraction form
    151,149,504.10/208,579,606.10 = 84,171,917.38/x
  3. Step 3: Cross multiply
    151,149,504.10x = 208,579,606.10 × 84,171,917.38
  4. Step 4: Simplify right side
    151,149,504.10x = 17,556,545,371,802,142
  5. Step 5: Solve for x
    x = 17,556,545,371,802,142/151,149,504.10
  6. Step 6: Final answer
    x = 116,153,509.58

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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.