Home / 51,187,696.80-70,263,013.08-45,256,552.80

Finding the Fourth Proportional to 51,187,696.80, 70,263,013.08 and 45,256,552.80

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Solution

The fourth proportional to 51,187,696.80, 70,263,013.08 and 45,256,552.80 is: 62,121,602.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,187,696.80 : 70,263,013.08 = 45,256,552.80 : x
  2. Step 2: Convert to fraction form
    51,187,696.80/70,263,013.08 = 45,256,552.80/x
  3. Step 3: Cross multiply
    51,187,696.80x = 70,263,013.08 × 45,256,552.80
  4. Step 4: Simplify right side
    51,187,696.80x = 3,179,861,761,342,110.50
  5. Step 5: Solve for x
    x = 3,179,861,761,342,110.50/51,187,696.80
  6. Step 6: Final answer
    x = 62,121,602.65

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.