Home / 85,339,629.80-117,768,689.27-46,181,406.53

Finding the Fourth Proportional to 85,339,629.80, 117,768,689.27 and 46,181,406.53

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Solution

The fourth proportional to 85,339,629.80, 117,768,689.27 and 46,181,406.53 is: 63,730,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,339,629.80 : 117,768,689.27 = 46,181,406.53 : x
  2. Step 2: Convert to fraction form
    85,339,629.80/117,768,689.27 = 46,181,406.53/x
  3. Step 3: Cross multiply
    85,339,629.80x = 117,768,689.27 × 46,181,406.53
  4. Step 4: Simplify right side
    85,339,629.80x = 5,438,723,715,651,362
  5. Step 5: Solve for x
    x = 5,438,723,715,651,362/85,339,629.80
  6. Step 6: Final answer
    x = 63,730,341.09

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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.