Home / 49,565,765.16-74,319,779.28-19,238,198.76

Finding the Fourth Proportional to 49,565,765.16, 74,319,779.28 and 19,238,198.76

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Solution

The fourth proportional to 49,565,765.16, 74,319,779.28 and 19,238,198.76 is: 28,846,093.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,565,765.16 : 74,319,779.28 = 19,238,198.76 : x
  2. Step 2: Convert to fraction form
    49,565,765.16/74,319,779.28 = 19,238,198.76/x
  3. Step 3: Cross multiply
    49,565,765.16x = 74,319,779.28 × 19,238,198.76
  4. Step 4: Simplify right side
    49,565,765.16x = 1,429,778,685,587,969.75
  5. Step 5: Solve for x
    x = 1,429,778,685,587,969.75/49,565,765.16
  6. Step 6: Final answer
    x = 28,846,093.29

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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.