Home / 154,653,492.80-231,980,239.20-133,608,429.20

Finding the Fourth Proportional to 154,653,492.80, 231,980,239.20 and 133,608,429.20

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Solution

The fourth proportional to 154,653,492.80, 231,980,239.20 and 133,608,429.20 is: 200,412,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,653,492.80 : 231,980,239.20 = 133,608,429.20 : x
  2. Step 2: Convert to fraction form
    154,653,492.80/231,980,239.20 = 133,608,429.20/x
  3. Step 3: Cross multiply
    154,653,492.80x = 231,980,239.20 × 133,608,429.20
  4. Step 4: Simplify right side
    154,653,492.80x = 30,994,515,364,952,264
  5. Step 5: Solve for x
    x = 30,994,515,364,952,264/154,653,492.80
  6. Step 6: Final answer
    x = 200,412,643.80

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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.