Home / 201,217,912.40-301,826,868.60-160,907,128.40

Finding the Fourth Proportional to 201,217,912.40, 301,826,868.60 and 160,907,128.40

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Solution

The fourth proportional to 201,217,912.40, 301,826,868.60 and 160,907,128.40 is: 241,360,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,217,912.40 : 301,826,868.60 = 160,907,128.40 : x
  2. Step 2: Convert to fraction form
    201,217,912.40/301,826,868.60 = 160,907,128.40/x
  3. Step 3: Cross multiply
    201,217,912.40x = 301,826,868.60 × 160,907,128.40
  4. Step 4: Simplify right side
    201,217,912.40x = 48,566,094,700,390,136
  5. Step 5: Solve for x
    x = 48,566,094,700,390,136/201,217,912.40
  6. Step 6: Final answer
    x = 241,360,692.60

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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.