Home / 140,205,422.70-210,120,142.42-109,118,615.32

Finding the Fourth Proportional to 140,205,422.70, 210,120,142.42 and 109,118,615.32

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Solution

The fourth proportional to 140,205,422.70, 210,120,142.42 and 109,118,615.32 is: 163,531,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,205,422.70 : 210,120,142.42 = 109,118,615.32 : x
  2. Step 2: Convert to fraction form
    140,205,422.70/210,120,142.42 = 109,118,615.32/x
  3. Step 3: Cross multiply
    140,205,422.70x = 210,120,142.42 × 109,118,615.32
  4. Step 4: Simplify right side
    140,205,422.70x = 22,928,018,991,711,592
  5. Step 5: Solve for x
    x = 22,928,018,991,711,592/140,205,422.70
  6. Step 6: Final answer
    x = 163,531,613.47

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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.