Home / 215,476,373.72-323,259,954.21-69,898,568.06

Finding the Fourth Proportional to 215,476,373.72, 323,259,954.21 and 69,898,568.06

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Solution

The fourth proportional to 215,476,373.72, 323,259,954.21 and 69,898,568.06 is: 104,862,577.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,476,373.72 : 323,259,954.21 = 69,898,568.06 : x
  2. Step 2: Convert to fraction form
    215,476,373.72/323,259,954.21 = 69,898,568.06/x
  3. Step 3: Cross multiply
    215,476,373.72x = 323,259,954.21 × 69,898,568.06
  4. Step 4: Simplify right side
    215,476,373.72x = 22,595,407,908,803,868
  5. Step 5: Solve for x
    x = 22,595,407,908,803,868/215,476,373.72
  6. Step 6: Final answer
    x = 104,862,577.36

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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.