Home / 303,375,729.16-418,655,525.70-164,143,435.96

Finding the Fourth Proportional to 303,375,729.16, 418,655,525.70 and 164,143,435.96

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Solution

The fourth proportional to 303,375,729.16, 418,655,525.70 and 164,143,435.96 is: 226,516,328.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,375,729.16 : 418,655,525.70 = 164,143,435.96 : x
  2. Step 2: Convert to fraction form
    303,375,729.16/418,655,525.70 = 164,143,435.96/x
  3. Step 3: Cross multiply
    303,375,729.16x = 418,655,525.70 × 164,143,435.96
  4. Step 4: Simplify right side
    303,375,729.16x = 68,719,556,472,038,088
  5. Step 5: Solve for x
    x = 68,719,556,472,038,088/303,375,729.16
  6. Step 6: Final answer
    x = 226,516,328.98

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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.