Home / 123,247,479,631.51-184,742,189,983.92-51,578,056,395.44

Finding the Fourth Proportional to 123,247,479,631.51, 184,742,189,983.92 and 51,578,056,395.44

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Solution

The fourth proportional to 123,247,479,631.51, 184,742,189,983.92 and 51,578,056,395.44 is: 77,313,086,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,247,479,631.51 : 184,742,189,983.92 = 51,578,056,395.44 : x
  2. Step 2: Convert to fraction form
    123,247,479,631.51/184,742,189,983.92 = 51,578,056,395.44/x
  3. Step 3: Cross multiply
    123,247,479,631.51x = 184,742,189,983.92 × 51,578,056,395.44
  4. Step 4: Simplify right side
    123,247,479,631.51x = 9,528,643,093,606,793,478,144
  5. Step 5: Solve for x
    x = 9,528,643,093,606,793,478,144/123,247,479,631.51
  6. Step 6: Final answer
    x = 77,313,086,824.14

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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.