Home / 47,322,007.20-70,983,010.80-31,166,200.80

Finding the Fourth Proportional to 47,322,007.20, 70,983,010.80 and 31,166,200.80

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Solution

The fourth proportional to 47,322,007.20, 70,983,010.80 and 31,166,200.80 is: 46,749,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,322,007.20 : 70,983,010.80 = 31,166,200.80 : x
  2. Step 2: Convert to fraction form
    47,322,007.20/70,983,010.80 = 31,166,200.80/x
  3. Step 3: Cross multiply
    47,322,007.20x = 70,983,010.80 × 31,166,200.80
  4. Step 4: Simplify right side
    47,322,007.20x = 2,212,270,767,981,368.50
  5. Step 5: Solve for x
    x = 2,212,270,767,981,368.50/47,322,007.20
  6. Step 6: Final answer
    x = 46,749,301.20

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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.