Home / 368,930,788.38-553,396,182.61-123,287,423.23

Finding the Fourth Proportional to 368,930,788.38, 553,396,182.61 and 123,287,423.23

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Solution

The fourth proportional to 368,930,788.38, 553,396,182.61 and 123,287,423.23 is: 184,931,134.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,930,788.38 : 553,396,182.61 = 123,287,423.23 : x
  2. Step 2: Convert to fraction form
    368,930,788.38/553,396,182.61 = 123,287,423.23/x
  3. Step 3: Cross multiply
    368,930,788.38x = 553,396,182.61 × 123,287,423.23
  4. Step 4: Simplify right side
    368,930,788.38x = 68,226,789,378,710,904
  5. Step 5: Solve for x
    x = 68,226,789,378,710,904/368,930,788.38
  6. Step 6: Final answer
    x = 184,931,134.86

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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.