Home / 80,922,173.07-111,681,252.87-49,581,021.27

Finding the Fourth Proportional to 80,922,173.07, 111,681,252.87 and 49,581,021.27

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Solution

The fourth proportional to 80,922,173.07, 111,681,252.87 and 49,581,021.27 is: 68,427,111.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,922,173.07 : 111,681,252.87 = 49,581,021.27 : x
  2. Step 2: Convert to fraction form
    80,922,173.07/111,681,252.87 = 49,581,021.27/x
  3. Step 3: Cross multiply
    80,922,173.07x = 111,681,252.87 × 49,581,021.27
  4. Step 4: Simplify right side
    80,922,173.07x = 5,537,270,574,007,719
  5. Step 5: Solve for x
    x = 5,537,270,574,007,719/80,922,173.07
  6. Step 6: Final answer
    x = 68,427,111.68

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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.