Home / 298,210,008.10-447,315,012.15-82,799,256.10

Finding the Fourth Proportional to 298,210,008.10, 447,315,012.15 and 82,799,256.10

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Solution

The fourth proportional to 298,210,008.10, 447,315,012.15 and 82,799,256.10 is: 124,198,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,210,008.10 : 447,315,012.15 = 82,799,256.10 : x
  2. Step 2: Convert to fraction form
    298,210,008.10/447,315,012.15 = 82,799,256.10/x
  3. Step 3: Cross multiply
    298,210,008.10x = 447,315,012.15 × 82,799,256.10
  4. Step 4: Simplify right side
    298,210,008.10x = 37,037,350,248,382,456
  5. Step 5: Solve for x
    x = 37,037,350,248,382,456/298,210,008.10
  6. Step 6: Final answer
    x = 124,198,884.15

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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.