Home / 299,550,547.20-449,325,820.80-170,108,140.80

Finding the Fourth Proportional to 299,550,547.20, 449,325,820.80 and 170,108,140.80

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Solution

The fourth proportional to 299,550,547.20, 449,325,820.80 and 170,108,140.80 is: 255,162,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,550,547.20 : 449,325,820.80 = 170,108,140.80 : x
  2. Step 2: Convert to fraction form
    299,550,547.20/449,325,820.80 = 170,108,140.80/x
  3. Step 3: Cross multiply
    299,550,547.20x = 449,325,820.80 × 170,108,140.80
  4. Step 4: Simplify right side
    299,550,547.20x = 76,433,979,989,721,984
  5. Step 5: Solve for x
    x = 76,433,979,989,721,984/299,550,547.20
  6. Step 6: Final answer
    x = 255,162,211.20

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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.