Home / 77,381,553.18-116,027,821.52-46,288,268.87

Finding the Fourth Proportional to 77,381,553.18, 116,027,821.52 and 46,288,268.87

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Solution

The fourth proportional to 77,381,553.18, 116,027,821.52 and 46,288,268.87 is: 69,405,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,381,553.18 : 116,027,821.52 = 46,288,268.87 : x
  2. Step 2: Convert to fraction form
    77,381,553.18/116,027,821.52 = 46,288,268.87/x
  3. Step 3: Cross multiply
    77,381,553.18x = 116,027,821.52 × 46,288,268.87
  4. Step 4: Simplify right side
    77,381,553.18x = 5,370,726,998,918,132
  5. Step 5: Solve for x
    x = 5,370,726,998,918,132/77,381,553.18
  6. Step 6: Final answer
    x = 69,405,779.26

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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.