Home / 415,270,082.30-623,144,271.90-156,670,891.70

Finding the Fourth Proportional to 415,270,082.30, 623,144,271.90 and 156,670,891.70

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Solution

The fourth proportional to 415,270,082.30, 623,144,271.90 and 156,670,891.70 is: 235,096,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,270,082.30 : 623,144,271.90 = 156,670,891.70 : x
  2. Step 2: Convert to fraction form
    415,270,082.30/623,144,271.90 = 156,670,891.70/x
  3. Step 3: Cross multiply
    415,270,082.30x = 623,144,271.90 × 156,670,891.70
  4. Step 4: Simplify right side
    415,270,082.30x = 97,628,568,736,320,240
  5. Step 5: Solve for x
    x = 97,628,568,736,320,240/415,270,082.30
  6. Step 6: Final answer
    x = 235,096,562.21

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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.