Home / 80,922,125.32-111,681,187.20-49,580,973.76

Finding the Fourth Proportional to 80,922,125.32, 111,681,187.20 and 49,580,973.76

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Solution

The fourth proportional to 80,922,125.32, 111,681,187.20 and 49,580,973.76 is: 68,427,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,922,125.32 : 111,681,187.20 = 49,580,973.76 : x
  2. Step 2: Convert to fraction form
    80,922,125.32/111,681,187.20 = 49,580,973.76/x
  3. Step 3: Cross multiply
    80,922,125.32x = 111,681,187.20 × 49,580,973.76
  4. Step 4: Simplify right side
    80,922,125.32x = 5,537,262,012,048,848
  5. Step 5: Solve for x
    x = 5,537,262,012,048,848/80,922,125.32
  6. Step 6: Final answer
    x = 68,427,046.25

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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.