Home / 140,086,811.70-210,130,217.55-49,210,400.70

Finding the Fourth Proportional to 140,086,811.70, 210,130,217.55 and 49,210,400.70

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Solution

The fourth proportional to 140,086,811.70, 210,130,217.55 and 49,210,400.70 is: 73,815,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,086,811.70 : 210,130,217.55 = 49,210,400.70 : x
  2. Step 2: Convert to fraction form
    140,086,811.70/210,130,217.55 = 49,210,400.70/x
  3. Step 3: Cross multiply
    140,086,811.70x = 210,130,217.55 × 49,210,400.70
  4. Step 4: Simplify right side
    140,086,811.70x = 10,340,592,204,813,674
  5. Step 5: Solve for x
    x = 10,340,592,204,813,674/140,086,811.70
  6. Step 6: Final answer
    x = 73,815,601.05

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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.