Home / 201,734,205.80-302,601,308.70-120,104,868.20

Finding the Fourth Proportional to 201,734,205.80, 302,601,308.70 and 120,104,868.20

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Solution

The fourth proportional to 201,734,205.80, 302,601,308.70 and 120,104,868.20 is: 180,157,302.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,734,205.80 : 302,601,308.70 = 120,104,868.20 : x
  2. Step 2: Convert to fraction form
    201,734,205.80/302,601,308.70 = 120,104,868.20/x
  3. Step 3: Cross multiply
    201,734,205.80x = 302,601,308.70 × 120,104,868.20
  4. Step 4: Simplify right side
    201,734,205.80x = 36,343,890,298,561,016
  5. Step 5: Solve for x
    x = 36,343,890,298,561,016/201,734,205.80
  6. Step 6: Final answer
    x = 180,157,302.30

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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.