Home / 127,653,910.50-191,480,870.07-31,915,798.50

Finding the Fourth Proportional to 127,653,910.50, 191,480,870.07 and 31,915,798.50

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Solution

The fourth proportional to 127,653,910.50, 191,480,870.07 and 31,915,798.50 is: 47,873,698.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,653,910.50 : 191,480,870.07 = 31,915,798.50 : x
  2. Step 2: Convert to fraction form
    127,653,910.50/191,480,870.07 = 31,915,798.50/x
  3. Step 3: Cross multiply
    127,653,910.50x = 191,480,870.07 × 31,915,798.50
  4. Step 4: Simplify right side
    127,653,910.50x = 6,111,264,865,758,801
  5. Step 5: Solve for x
    x = 6,111,264,865,758,801/127,653,910.50
  6. Step 6: Final answer
    x = 47,873,698.83

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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.