Home / 47,990,514.60-71,985,771.90-30,771,826.20

Finding the Fourth Proportional to 47,990,514.60, 71,985,771.90 and 30,771,826.20

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Solution

The fourth proportional to 47,990,514.60, 71,985,771.90 and 30,771,826.20 is: 46,157,739.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990,514.60 : 71,985,771.90 = 30,771,826.20 : x
  2. Step 2: Convert to fraction form
    47,990,514.60/71,985,771.90 = 30,771,826.20/x
  3. Step 3: Cross multiply
    47,990,514.60x = 71,985,771.90 × 30,771,826.20
  4. Step 4: Simplify right side
    47,990,514.60x = 2,215,133,661,779,644
  5. Step 5: Solve for x
    x = 2,215,133,661,779,644/47,990,514.60
  6. Step 6: Final answer
    x = 46,157,739.30

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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.