Home / 154,653,457.80-231,980,186.70-133,608,394.20

Finding the Fourth Proportional to 154,653,457.80, 231,980,186.70 and 133,608,394.20

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Solution

The fourth proportional to 154,653,457.80, 231,980,186.70 and 133,608,394.20 is: 200,412,591.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,653,457.80 : 231,980,186.70 = 133,608,394.20 : x
  2. Step 2: Convert to fraction form
    154,653,457.80/231,980,186.70 = 133,608,394.20/x
  3. Step 3: Cross multiply
    154,653,457.80x = 231,980,186.70 × 133,608,394.20
  4. Step 4: Simplify right side
    154,653,457.80x = 30,994,500,231,203,196
  5. Step 5: Solve for x
    x = 30,994,500,231,203,196/154,653,457.80
  6. Step 6: Final answer
    x = 200,412,591.30

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1.5x scale

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.