Home / 283,164,602.54-390,786,791.22-171,660,143.28

Finding the Fourth Proportional to 283,164,602.54, 390,786,791.22 and 171,660,143.28

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Solution

The fourth proportional to 283,164,602.54, 390,786,791.22 and 171,660,143.28 is: 236,902,903.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,164,602.54 : 390,786,791.22 = 171,660,143.28 : x
  2. Step 2: Convert to fraction form
    283,164,602.54/390,786,791.22 = 171,660,143.28/x
  3. Step 3: Cross multiply
    283,164,602.54x = 390,786,791.22 × 171,660,143.28
  4. Step 4: Simplify right side
    283,164,602.54x = 67,082,516,572,756,648
  5. Step 5: Solve for x
    x = 67,082,516,572,756,648/283,164,602.54
  6. Step 6: Final answer
    x = 236,902,903.72

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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.