Home / 350,640,145.20-525,960,217.80-159,163,921.20

Finding the Fourth Proportional to 350,640,145.20, 525,960,217.80 and 159,163,921.20

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Solution

The fourth proportional to 350,640,145.20, 525,960,217.80 and 159,163,921.20 is: 238,745,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,640,145.20 : 525,960,217.80 = 159,163,921.20 : x
  2. Step 2: Convert to fraction form
    350,640,145.20/525,960,217.80 = 159,163,921.20/x
  3. Step 3: Cross multiply
    350,640,145.20x = 525,960,217.80 × 159,163,921.20
  4. Step 4: Simplify right side
    350,640,145.20x = 83,713,890,660,254,032
  5. Step 5: Solve for x
    x = 83,713,890,660,254,032/350,640,145.20
  6. Step 6: Final answer
    x = 238,745,881.80

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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.