Home / 127,653,906-191,480,863.32-31,915,794

Finding the Fourth Proportional to 127,653,906, 191,480,863.32 and 31,915,794

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Solution

The fourth proportional to 127,653,906, 191,480,863.32 and 31,915,794 is: 47,873,692.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,653,906 : 191,480,863.32 = 31,915,794 : x
  2. Step 2: Convert to fraction form
    127,653,906/191,480,863.32 = 31,915,794/x
  3. Step 3: Cross multiply
    127,653,906x = 191,480,863.32 × 31,915,794
  4. Step 4: Simplify right side
    127,653,906x = 6,111,263,788,663,276
  5. Step 5: Solve for x
    x = 6,111,263,788,663,276/127,653,906
  6. Step 6: Final answer
    x = 47,873,692.08

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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.