Home / 201,795,205.80-278,477,381.46-108,975,705.45

Finding the Fourth Proportional to 201,795,205.80, 278,477,381.46 and 108,975,705.45

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Solution

The fourth proportional to 201,795,205.80, 278,477,381.46 and 108,975,705.45 is: 150,386,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,795,205.80 : 278,477,381.46 = 108,975,705.45 : x
  2. Step 2: Convert to fraction form
    201,795,205.80/278,477,381.46 = 108,975,705.45/x
  3. Step 3: Cross multiply
    201,795,205.80x = 278,477,381.46 × 108,975,705.45
  4. Step 4: Simplify right side
    201,795,205.80x = 30,347,269,096,472,248
  5. Step 5: Solve for x
    x = 30,347,269,096,472,248/201,795,205.80
  6. Step 6: Final answer
    x = 150,386,472.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.