Home / 85,835,778.82-118,454,218.23-46,678,406.47

Finding the Fourth Proportional to 85,835,778.82, 118,454,218.23 and 46,678,406.47

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Solution

The fourth proportional to 85,835,778.82, 118,454,218.23 and 46,678,406.47 is: 64,416,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,835,778.82 : 118,454,218.23 = 46,678,406.47 : x
  2. Step 2: Convert to fraction form
    85,835,778.82/118,454,218.23 = 46,678,406.47/x
  3. Step 3: Cross multiply
    85,835,778.82x = 118,454,218.23 × 46,678,406.47
  4. Step 4: Simplify right side
    85,835,778.82x = 5,529,254,146,626,024
  5. Step 5: Solve for x
    x = 5,529,254,146,626,024/85,835,778.82
  6. Step 6: Final answer
    x = 64,416,659.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.