Home / 140,205,182.79-210,119,786.61-109,118,377.82

Finding the Fourth Proportional to 140,205,182.79, 210,119,786.61 and 109,118,377.82

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Solution

The fourth proportional to 140,205,182.79, 210,119,786.61 and 109,118,377.82 is: 163,531,260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,205,182.79 : 210,119,786.61 = 109,118,377.82 : x
  2. Step 2: Convert to fraction form
    140,205,182.79/210,119,786.61 = 109,118,377.82/x
  3. Step 3: Cross multiply
    140,205,182.79x = 210,119,786.61 × 109,118,377.82
  4. Step 4: Simplify right side
    140,205,182.79x = 22,927,930,261,717,160
  5. Step 5: Solve for x
    x = 22,927,930,261,717,160/140,205,182.79
  6. Step 6: Final answer
    x = 163,531,260.44

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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.