Home / 50,809,121,284.82-76,222,364,702.22-20,947,128,332.76

Finding the Fourth Proportional to 50,809,121,284.82, 76,222,364,702.22 and 20,947,128,332.76

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Solution

The fourth proportional to 50,809,121,284.82, 76,222,364,702.22 and 20,947,128,332.76 is: 31,424,272,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,809,121,284.82 : 76,222,364,702.22 = 20,947,128,332.76 : x
  2. Step 2: Convert to fraction form
    50,809,121,284.82/76,222,364,702.22 = 20,947,128,332.76/x
  3. Step 3: Cross multiply
    50,809,121,284.82x = 76,222,364,702.22 × 20,947,128,332.76
  4. Step 4: Simplify right side
    50,809,121,284.82x = 1,596,639,655,243,838,128,128
  5. Step 5: Solve for x
    x = 1,596,639,655,243,838,128,128/50,809,121,284.82
  6. Step 6: Final answer
    x = 31,424,272,155.66

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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.