Home / 121,802,349.69-182,630,558.43-38,768,236.38

Finding the Fourth Proportional to 121,802,349.69, 182,630,558.43 and 38,768,236.38

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Solution

The fourth proportional to 121,802,349.69, 182,630,558.43 and 38,768,236.38 is: 58,129,130.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,802,349.69 : 182,630,558.43 = 38,768,236.38 : x
  2. Step 2: Convert to fraction form
    121,802,349.69/182,630,558.43 = 38,768,236.38/x
  3. Step 3: Cross multiply
    121,802,349.69x = 182,630,558.43 × 38,768,236.38
  4. Step 4: Simplify right side
    121,802,349.69x = 7,080,264,659,425,642
  5. Step 5: Solve for x
    x = 7,080,264,659,425,642/121,802,349.69
  6. Step 6: Final answer
    x = 58,129,130.33

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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.