Home / 47,289,027.86-70,936,534.33-19,990,231.68

Finding the Fourth Proportional to 47,289,027.86, 70,936,534.33 and 19,990,231.68

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Solution

The fourth proportional to 47,289,027.86, 70,936,534.33 and 19,990,231.68 is: 29,986,612.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,289,027.86 : 70,936,534.33 = 19,990,231.68 : x
  2. Step 2: Convert to fraction form
    47,289,027.86/70,936,534.33 = 19,990,231.68/x
  3. Step 3: Cross multiply
    47,289,027.86x = 70,936,534.33 × 19,990,231.68
  4. Step 4: Simplify right side
    47,289,027.86x = 1,418,037,756,161,455
  5. Step 5: Solve for x
    x = 1,418,037,756,161,455/47,289,027.86
  6. Step 6: Final answer
    x = 29,986,612.55

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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.