Home / 55,196,696.72-76,171,945.24-30,417,772.64

Finding the Fourth Proportional to 55,196,696.72, 76,171,945.24 and 30,417,772.64

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Solution

The fourth proportional to 55,196,696.72, 76,171,945.24 and 30,417,772.64 is: 41,976,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,196,696.72 : 76,171,945.24 = 30,417,772.64 : x
  2. Step 2: Convert to fraction form
    55,196,696.72/76,171,945.24 = 30,417,772.64/x
  3. Step 3: Cross multiply
    55,196,696.72x = 76,171,945.24 × 30,417,772.64
  4. Step 4: Simplify right side
    55,196,696.72x = 2,316,980,911,514,012.50
  5. Step 5: Solve for x
    x = 2,316,980,911,514,012.50/55,196,696.72
  6. Step 6: Final answer
    x = 41,976,803.85

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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.