Home / 72,530,458.70-100,091,093.51-39,490,329.47

Finding the Fourth Proportional to 72,530,458.70, 100,091,093.51 and 39,490,329.47

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Solution

The fourth proportional to 72,530,458.70, 100,091,093.51 and 39,490,329.47 is: 54,496,143.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,530,458.70 : 100,091,093.51 = 39,490,329.47 : x
  2. Step 2: Convert to fraction form
    72,530,458.70/100,091,093.51 = 39,490,329.47/x
  3. Step 3: Cross multiply
    72,530,458.70x = 100,091,093.51 × 39,490,329.47
  4. Step 4: Simplify right side
    72,530,458.70x = 3,952,630,259,320,749.50
  5. Step 5: Solve for x
    x = 3,952,630,259,320,749.50/72,530,458.70
  6. Step 6: Final answer
    x = 54,496,143.14

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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.