Home / 236,915,708.09-355,527,012.98-127,816,185.20

Finding the Fourth Proportional to 236,915,708.09, 355,527,012.98 and 127,816,185.20

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Solution

The fourth proportional to 236,915,708.09, 355,527,012.98 and 127,816,185.20 is: 191,807,064.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,915,708.09 : 355,527,012.98 = 127,816,185.20 : x
  2. Step 2: Convert to fraction form
    236,915,708.09/355,527,012.98 = 127,816,185.20/x
  3. Step 3: Cross multiply
    236,915,708.09x = 355,527,012.98 × 127,816,185.20
  4. Step 4: Simplify right side
    236,915,708.09x = 45,442,106,533,196,392
  5. Step 5: Solve for x
    x = 45,442,106,533,196,392/236,915,708.09
  6. Step 6: Final answer
    x = 191,807,064.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.