Home / 225,980,939.70-338,971,409.55-212,376,050.10

Finding the Fourth Proportional to 225,980,939.70, 338,971,409.55 and 212,376,050.10

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Solution

The fourth proportional to 225,980,939.70, 338,971,409.55 and 212,376,050.10 is: 318,564,075.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,980,939.70 : 338,971,409.55 = 212,376,050.10 : x
  2. Step 2: Convert to fraction form
    225,980,939.70/338,971,409.55 = 212,376,050.10/x
  3. Step 3: Cross multiply
    225,980,939.70x = 338,971,409.55 × 212,376,050.10
  4. Step 4: Simplify right side
    225,980,939.70x = 71,989,409,057,058,416
  5. Step 5: Solve for x
    x = 71,989,409,057,058,416/225,980,939.70
  6. Step 6: Final answer
    x = 318,564,075.15

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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.