Home / 50,809,121,268.32-76,222,364,677.47-20,947,128,316.26

Finding the Fourth Proportional to 50,809,121,268.32, 76,222,364,677.47 and 20,947,128,316.26

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Solution

The fourth proportional to 50,809,121,268.32, 76,222,364,677.47 and 20,947,128,316.26 is: 31,424,272,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,809,121,268.32 : 76,222,364,677.47 = 20,947,128,316.26 : x
  2. Step 2: Convert to fraction form
    50,809,121,268.32/76,222,364,677.47 = 20,947,128,316.26/x
  3. Step 3: Cross multiply
    50,809,121,268.32x = 76,222,364,677.47 × 20,947,128,316.26
  4. Step 4: Simplify right side
    50,809,121,268.32x = 1,596,639,653,467,727,855,616
  5. Step 5: Solve for x
    x = 1,596,639,653,467,727,855,616/50,809,121,268.32
  6. Step 6: Final answer
    x = 31,424,272,130.91

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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.