Home / 55,196,706.85-76,171,959.25-30,417,782.78

Finding the Fourth Proportional to 55,196,706.85, 76,171,959.25 and 30,417,782.78

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Solution

The fourth proportional to 55,196,706.85, 76,171,959.25 and 30,417,782.78 is: 41,976,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,196,706.85 : 76,171,959.25 = 30,417,782.78 : x
  2. Step 2: Convert to fraction form
    55,196,706.85/76,171,959.25 = 30,417,782.78/x
  3. Step 3: Cross multiply
    55,196,706.85x = 76,171,959.25 × 30,417,782.78
  4. Step 4: Simplify right side
    55,196,706.85x = 2,316,982,110,507,897
  5. Step 5: Solve for x
    x = 2,316,982,110,507,897/55,196,706.85
  6. Step 6: Final answer
    x = 41,976,817.87

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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.