Home / 154,653,570.30-231,980,355.45-133,608,506.70

Finding the Fourth Proportional to 154,653,570.30, 231,980,355.45 and 133,608,506.70

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Solution

The fourth proportional to 154,653,570.30, 231,980,355.45 and 133,608,506.70 is: 200,412,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,653,570.30 : 231,980,355.45 = 133,608,506.70 : x
  2. Step 2: Convert to fraction form
    154,653,570.30/231,980,355.45 = 133,608,506.70/x
  3. Step 3: Cross multiply
    154,653,570.30x = 231,980,355.45 × 133,608,506.70
  4. Step 4: Simplify right side
    154,653,570.30x = 30,994,548,875,409,704
  5. Step 5: Solve for x
    x = 30,994,548,875,409,704/154,653,570.30
  6. Step 6: Final answer
    x = 200,412,760.05

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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.