Home / 140,162,595.12-210,105,716.88-49,222,411.20

Finding the Fourth Proportional to 140,162,595.12, 210,105,716.88 and 49,222,411.20

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Solution

The fourth proportional to 140,162,595.12, 210,105,716.88 and 49,222,411.20 is: 73,785,092.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,162,595.12 : 210,105,716.88 = 49,222,411.20 : x
  2. Step 2: Convert to fraction form
    140,162,595.12/210,105,716.88 = 49,222,411.20/x
  3. Step 3: Cross multiply
    140,162,595.12x = 210,105,716.88 × 49,222,411.20
  4. Step 4: Simplify right side
    140,162,595.12x = 10,341,909,991,738,142
  5. Step 5: Solve for x
    x = 10,341,909,991,738,142/140,162,595.12
  6. Step 6: Final answer
    x = 73,785,092.11

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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.