Home / 75,694,709.83-104,458,741.63-40,887,400.61

Finding the Fourth Proportional to 75,694,709.83, 104,458,741.63 and 40,887,400.61

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Solution

The fourth proportional to 75,694,709.83, 104,458,741.63 and 40,887,400.61 is: 56,424,635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,694,709.83 : 104,458,741.63 = 40,887,400.61 : x
  2. Step 2: Convert to fraction form
    75,694,709.83/104,458,741.63 = 40,887,400.61/x
  3. Step 3: Cross multiply
    75,694,709.83x = 104,458,741.63 × 40,887,400.61
  4. Step 4: Simplify right side
    75,694,709.83x = 4,271,046,416,242,294
  5. Step 5: Solve for x
    x = 4,271,046,416,242,294/75,694,709.83
  6. Step 6: Final answer
    x = 56,424,635.56

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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.