Home / 115,095,857.76-172,658,152.92-45,057,039.92

Finding the Fourth Proportional to 115,095,857.76, 172,658,152.92 and 45,057,039.92

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Solution

The fourth proportional to 115,095,857.76, 172,658,152.92 and 45,057,039.92 is: 67,591,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,095,857.76 : 172,658,152.92 = 45,057,039.92 : x
  2. Step 2: Convert to fraction form
    115,095,857.76/172,658,152.92 = 45,057,039.92/x
  3. Step 3: Cross multiply
    115,095,857.76x = 172,658,152.92 × 45,057,039.92
  4. Step 4: Simplify right side
    115,095,857.76x = 7,779,465,288,629,904
  5. Step 5: Solve for x
    x = 7,779,465,288,629,904/115,095,857.76
  6. Step 6: Final answer
    x = 67,591,183.91

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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.