Home / 131,134,512.21-181,047,296.73-83,476,656.88

Finding the Fourth Proportional to 131,134,512.21, 181,047,296.73 and 83,476,656.88

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Solution

The fourth proportional to 131,134,512.21, 181,047,296.73 and 83,476,656.88 is: 115,249,775.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,134,512.21 : 181,047,296.73 = 83,476,656.88 : x
  2. Step 2: Convert to fraction form
    131,134,512.21/181,047,296.73 = 83,476,656.88/x
  3. Step 3: Cross multiply
    131,134,512.21x = 181,047,296.73 × 83,476,656.88
  4. Step 4: Simplify right side
    131,134,512.21x = 15,113,223,067,485,210
  5. Step 5: Solve for x
    x = 15,113,223,067,485,210/131,134,512.21
  6. Step 6: Final answer
    x = 115,249,775.31

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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.