Home / 51,566,853.47-71,164,288.22-28,364,139.41

Finding the Fourth Proportional to 51,566,853.47, 71,164,288.22 and 28,364,139.41

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Solution

The fourth proportional to 51,566,853.47, 71,164,288.22 and 28,364,139.41 is: 39,143,629.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,566,853.47 : 71,164,288.22 = 28,364,139.41 : x
  2. Step 2: Convert to fraction form
    51,566,853.47/71,164,288.22 = 28,364,139.41/x
  3. Step 3: Cross multiply
    51,566,853.47x = 71,164,288.22 × 28,364,139.41
  4. Step 4: Simplify right side
    51,566,853.47x = 2,018,513,791,587,858.75
  5. Step 5: Solve for x
    x = 2,018,513,791,587,858.75/51,566,853.47
  6. Step 6: Final answer
    x = 39,143,629.21

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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.