Home / 55,621,129.20-76,757,323.64-30,843,061.63

Finding the Fourth Proportional to 55,621,129.20, 76,757,323.64 and 30,843,061.63

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Solution

The fourth proportional to 55,621,129.20, 76,757,323.64 and 30,843,061.63 is: 42,563,516.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,621,129.20 : 76,757,323.64 = 30,843,061.63 : x
  2. Step 2: Convert to fraction form
    55,621,129.20/76,757,323.64 = 30,843,061.63/x
  3. Step 3: Cross multiply
    55,621,129.20x = 76,757,323.64 × 30,843,061.63
  4. Step 4: Simplify right side
    55,621,129.20x = 2,367,430,863,428,160.50
  5. Step 5: Solve for x
    x = 2,367,430,863,428,160.50/55,621,129.20
  6. Step 6: Final answer
    x = 42,563,516.73

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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.