Home / 140,717,511.20-210,628,369.20-100,406,727.20

Finding the Fourth Proportional to 140,717,511.20, 210,628,369.20 and 100,406,727.20

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Solution

The fourth proportional to 140,717,511.20, 210,628,369.20 and 100,406,727.20 is: 150,290,500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,717,511.20 : 210,628,369.20 = 100,406,727.20 : x
  2. Step 2: Convert to fraction form
    140,717,511.20/210,628,369.20 = 100,406,727.20/x
  3. Step 3: Cross multiply
    140,717,511.20x = 210,628,369.20 × 100,406,727.20
  4. Step 4: Simplify right side
    140,717,511.20x = 21,148,505,206,845,280
  5. Step 5: Solve for x
    x = 21,148,505,206,845,280/140,717,511.20
  6. Step 6: Final answer
    x = 150,290,500.64

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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.