Home / 215,364,868.60-323,047,302.90-192,074,193.40

Finding the Fourth Proportional to 215,364,868.60, 323,047,302.90 and 192,074,193.40

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Solution

The fourth proportional to 215,364,868.60, 323,047,302.90 and 192,074,193.40 is: 288,111,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,364,868.60 : 323,047,302.90 = 192,074,193.40 : x
  2. Step 2: Convert to fraction form
    215,364,868.60/323,047,302.90 = 192,074,193.40/x
  3. Step 3: Cross multiply
    215,364,868.60x = 323,047,302.90 × 192,074,193.40
  4. Step 4: Simplify right side
    215,364,868.60x = 62,049,050,134,562,976
  5. Step 5: Solve for x
    x = 62,049,050,134,562,976/215,364,868.60
  6. Step 6: Final answer
    x = 288,111,290.10

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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.