Home / 127,653,907-191,480,864.82-31,915,795

Finding the Fourth Proportional to 127,653,907, 191,480,864.82 and 31,915,795

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Solution

The fourth proportional to 127,653,907, 191,480,864.82 and 31,915,795 is: 47,873,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,653,907 : 191,480,864.82 = 31,915,795 : x
  2. Step 2: Convert to fraction form
    127,653,907/191,480,864.82 = 31,915,795/x
  3. Step 3: Cross multiply
    127,653,907x = 191,480,864.82 × 31,915,795
  4. Step 4: Simplify right side
    127,653,907x = 6,111,264,028,017,832
  5. Step 5: Solve for x
    x = 6,111,264,028,017,832/127,653,907
  6. Step 6: Final answer
    x = 47,873,693.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.