Home / 257,778,022.52-355,706,862.42-146,233,324.28

Finding the Fourth Proportional to 257,778,022.52, 355,706,862.42 and 146,233,324.28

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Solution

The fourth proportional to 257,778,022.52, 355,706,862.42 and 146,233,324.28 is: 201,786,779.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,778,022.52 : 355,706,862.42 = 146,233,324.28 : x
  2. Step 2: Convert to fraction form
    257,778,022.52/355,706,862.42 = 146,233,324.28/x
  3. Step 3: Cross multiply
    257,778,022.52x = 355,706,862.42 × 146,233,324.28
  4. Step 4: Simplify right side
    257,778,022.52x = 52,016,196,960,885,208
  5. Step 5: Solve for x
    x = 52,016,196,960,885,208/257,778,022.52
  6. Step 6: Final answer
    x = 201,786,779.39

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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.