Home / 152,053,736.04-209,838,581.37-85,972,814.82

Finding the Fourth Proportional to 152,053,736.04, 209,838,581.37 and 85,972,814.82

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Solution

The fourth proportional to 152,053,736.04, 209,838,581.37 and 85,972,814.82 is: 118,644,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,053,736.04 : 209,838,581.37 = 85,972,814.82 : x
  2. Step 2: Convert to fraction form
    152,053,736.04/209,838,581.37 = 85,972,814.82/x
  3. Step 3: Cross multiply
    152,053,736.04x = 209,838,581.37 × 85,972,814.82
  4. Step 4: Simplify right side
    152,053,736.04x = 18,040,413,498,214,512
  5. Step 5: Solve for x
    x = 18,040,413,498,214,512/152,053,736.04
  6. Step 6: Final answer
    x = 118,644,986.75

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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.