Home / 55,690,185.78-76,846,223.41-30,911,417.01

Finding the Fourth Proportional to 55,690,185.78, 76,846,223.41 and 30,911,417.01

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Solution

The fourth proportional to 55,690,185.78, 76,846,223.41 and 30,911,417.01 is: 42,654,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,690,185.78 : 76,846,223.41 = 30,911,417.01 : x
  2. Step 2: Convert to fraction form
    55,690,185.78/76,846,223.41 = 30,911,417.01/x
  3. Step 3: Cross multiply
    55,690,185.78x = 76,846,223.41 × 30,911,417.01
  4. Step 4: Simplify right side
    55,690,185.78x = 2,375,425,657,392,856
  5. Step 5: Solve for x
    x = 2,375,425,657,392,856/55,690,185.78
  6. Step 6: Final answer
    x = 42,654,295.80

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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.