Home / 245,059,082.54-367,697,174.61-128,446,725.05

Finding the Fourth Proportional to 245,059,082.54, 367,697,174.61 and 128,446,725.05

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Solution

The fourth proportional to 245,059,082.54, 367,697,174.61 and 128,446,725.05 is: 192,726,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,059,082.54 : 367,697,174.61 = 128,446,725.05 : x
  2. Step 2: Convert to fraction form
    245,059,082.54/367,697,174.61 = 128,446,725.05/x
  3. Step 3: Cross multiply
    245,059,082.54x = 367,697,174.61 × 128,446,725.05
  4. Step 4: Simplify right side
    245,059,082.54x = 47,229,497,886,954,024
  5. Step 5: Solve for x
    x = 47,229,497,886,954,024/245,059,082.54
  6. Step 6: Final answer
    x = 192,726,984.03

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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.