Home / 79,788,044.52-119,682,099.59-19,203,770.52

Finding the Fourth Proportional to 79,788,044.52, 119,682,099.59 and 19,203,770.52

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Solution

The fourth proportional to 79,788,044.52, 119,682,099.59 and 19,203,770.52 is: 28,805,663.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,788,044.52 : 119,682,099.59 = 19,203,770.52 : x
  2. Step 2: Convert to fraction form
    79,788,044.52/119,682,099.59 = 19,203,770.52/x
  3. Step 3: Cross multiply
    79,788,044.52x = 119,682,099.59 × 19,203,770.52
  4. Step 4: Simplify right side
    79,788,044.52x = 2,298,347,575,782,127
  5. Step 5: Solve for x
    x = 2,298,347,575,782,127/79,788,044.52
  6. Step 6: Final answer
    x = 28,805,663.68

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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.