Home / 188,082,002.80-282,123,004.20-142,165,500.40

Finding the Fourth Proportional to 188,082,002.80, 282,123,004.20 and 142,165,500.40

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Solution

The fourth proportional to 188,082,002.80, 282,123,004.20 and 142,165,500.40 is: 213,248,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,082,002.80 : 282,123,004.20 = 142,165,500.40 : x
  2. Step 2: Convert to fraction form
    188,082,002.80/282,123,004.20 = 142,165,500.40/x
  3. Step 3: Cross multiply
    188,082,002.80x = 282,123,004.20 × 142,165,500.40
  4. Step 4: Simplify right side
    188,082,002.80x = 40,108,158,066,444,304
  5. Step 5: Solve for x
    x = 40,108,158,066,444,304/188,082,002.80
  6. Step 6: Final answer
    x = 213,248,250.60

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1.5x scale

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.