Home / 79,515,319,074.67-119,264,167,993.15-28,461,576,709.94

Finding the Fourth Proportional to 79,515,319,074.67, 119,264,167,993.15 and 28,461,576,709.94

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Solution

The fourth proportional to 79,515,319,074.67, 119,264,167,993.15 and 28,461,576,709.94 is: 42,689,211,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,515,319,074.67 : 119,264,167,993.15 = 28,461,576,709.94 : x
  2. Step 2: Convert to fraction form
    79,515,319,074.67/119,264,167,993.15 = 28,461,576,709.94/x
  3. Step 3: Cross multiply
    79,515,319,074.67x = 119,264,167,993.15 × 28,461,576,709.94
  4. Step 4: Simplify right side
    79,515,319,074.67x = 3,394,446,266,083,613,081,600
  5. Step 5: Solve for x
    x = 3,394,446,266,083,613,081,600/79,515,319,074.67
  6. Step 6: Final answer
    x = 42,689,211,407.13

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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.