Home / 259,137,638.05-355,706,398.23-229,111,221.55

Finding the Fourth Proportional to 259,137,638.05, 355,706,398.23 and 229,111,221.55

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Solution

The fourth proportional to 259,137,638.05, 355,706,398.23 and 229,111,221.55 is: 314,490,507.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,137,638.05 : 355,706,398.23 = 229,111,221.55 : x
  2. Step 2: Convert to fraction form
    259,137,638.05/355,706,398.23 = 229,111,221.55/x
  3. Step 3: Cross multiply
    259,137,638.05x = 355,706,398.23 × 229,111,221.55
  4. Step 4: Simplify right side
    259,137,638.05x = 81,496,327,411,626,064
  5. Step 5: Solve for x
    x = 81,496,327,411,626,064/259,137,638.05
  6. Step 6: Final answer
    x = 314,490,507.92

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.