Home / 55,689,286.37-76,849,655.51-30,571,391.70

Finding the Fourth Proportional to 55,689,286.37, 76,849,655.51 and 30,571,391.70

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Solution

The fourth proportional to 55,689,286.37, 76,849,655.51 and 30,571,391.70 is: 42,187,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,689,286.37 : 76,849,655.51 = 30,571,391.70 : x
  2. Step 2: Convert to fraction form
    55,689,286.37/76,849,655.51 = 30,571,391.70/x
  3. Step 3: Cross multiply
    55,689,286.37x = 76,849,655.51 × 30,571,391.70
  4. Step 4: Simplify right side
    55,689,286.37x = 2,349,400,920,682,702
  5. Step 5: Solve for x
    x = 2,349,400,920,682,702/55,689,286.37
  6. Step 6: Final answer
    x = 42,187,664.34

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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.