Home / 80,630,110.53-111,266,347.61-47,600,999.30

Finding the Fourth Proportional to 80,630,110.53, 111,266,347.61 and 47,600,999.30

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Solution

The fourth proportional to 80,630,110.53, 111,266,347.61 and 47,600,999.30 is: 65,687,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,630,110.53 : 111,266,347.61 = 47,600,999.30 : x
  2. Step 2: Convert to fraction form
    80,630,110.53/111,266,347.61 = 47,600,999.30/x
  3. Step 3: Cross multiply
    80,630,110.53x = 111,266,347.61 × 47,600,999.30
  4. Step 4: Simplify right side
    80,630,110.53x = 5,296,389,335,094,335
  5. Step 5: Solve for x
    x = 5,296,389,335,094,335/80,630,110.53
  6. Step 6: Final answer
    x = 65,687,486.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.