Home / 76,181,026.80-105,136,300.77-43,147,152.47

Finding the Fourth Proportional to 76,181,026.80, 105,136,300.77 and 43,147,152.47

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Solution

The fourth proportional to 76,181,026.80, 105,136,300.77 and 43,147,152.47 is: 59,546,742.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,181,026.80 : 105,136,300.77 = 43,147,152.47 : x
  2. Step 2: Convert to fraction form
    76,181,026.80/105,136,300.77 = 43,147,152.47/x
  3. Step 3: Cross multiply
    76,181,026.80x = 105,136,300.77 × 43,147,152.47
  4. Step 4: Simplify right side
    76,181,026.80x = 4,536,331,998,929,287
  5. Step 5: Solve for x
    x = 4,536,331,998,929,287/76,181,026.80
  6. Step 6: Final answer
    x = 59,546,742.67

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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.