Home / 259,890,130.80-389,572,721.46-162,913,812.30

Finding the Fourth Proportional to 259,890,130.80, 389,572,721.46 and 162,913,812.30

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Solution

The fourth proportional to 259,890,130.80, 389,572,721.46 and 162,913,812.30 is: 244,206,184.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,890,130.80 : 389,572,721.46 = 162,913,812.30 : x
  2. Step 2: Convert to fraction form
    259,890,130.80/389,572,721.46 = 162,913,812.30/x
  3. Step 3: Cross multiply
    259,890,130.80x = 389,572,721.46 × 162,913,812.30
  4. Step 4: Simplify right side
    259,890,130.80x = 63,466,777,221,134,624
  5. Step 5: Solve for x
    x = 63,466,777,221,134,624/259,890,130.80
  6. Step 6: Final answer
    x = 244,206,184.46

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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.