Home / 312,848,208.36-432,088,841.58-206,035,010.47

Finding the Fourth Proportional to 312,848,208.36, 432,088,841.58 and 206,035,010.47

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Solution

The fourth proportional to 312,848,208.36, 432,088,841.58 and 206,035,010.47 is: 284,564,292.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,848,208.36 : 432,088,841.58 = 206,035,010.47 : x
  2. Step 2: Convert to fraction form
    312,848,208.36/432,088,841.58 = 206,035,010.47/x
  3. Step 3: Cross multiply
    312,848,208.36x = 432,088,841.58 × 206,035,010.47
  4. Step 4: Simplify right side
    312,848,208.36x = 89,025,428,995,714,848
  5. Step 5: Solve for x
    x = 89,025,428,995,714,848/312,848,208.36
  6. Step 6: Final answer
    x = 284,564,292.26

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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.