Home / 284,048,231.80-426,072,347.70-102,271,790.20

Finding the Fourth Proportional to 284,048,231.80, 426,072,347.70 and 102,271,790.20

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Solution

The fourth proportional to 284,048,231.80, 426,072,347.70 and 102,271,790.20 is: 153,407,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,048,231.80 : 426,072,347.70 = 102,271,790.20 : x
  2. Step 2: Convert to fraction form
    284,048,231.80/426,072,347.70 = 102,271,790.20/x
  3. Step 3: Cross multiply
    284,048,231.80x = 426,072,347.70 × 102,271,790.20
  4. Step 4: Simplify right side
    284,048,231.80x = 43,575,181,753,995,856
  5. Step 5: Solve for x
    x = 43,575,181,753,995,856/284,048,231.80
  6. Step 6: Final answer
    x = 153,407,685.30

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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.