Home / 407,899,314.20-611,784,017.40-135,270,081.20

Finding the Fourth Proportional to 407,899,314.20, 611,784,017.40 and 135,270,081.20

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Solution

The fourth proportional to 407,899,314.20, 611,784,017.40 and 135,270,081.20 is: 202,883,581.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,899,314.20 : 611,784,017.40 = 135,270,081.20 : x
  2. Step 2: Convert to fraction form
    407,899,314.20/611,784,017.40 = 135,270,081.20/x
  3. Step 3: Cross multiply
    407,899,314.20x = 611,784,017.40 × 135,270,081.20
  4. Step 4: Simplify right side
    407,899,314.20x = 82,756,073,710,560,208
  5. Step 5: Solve for x
    x = 82,756,073,710,560,208/407,899,314.20
  6. Step 6: Final answer
    x = 202,883,581.39

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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.