Home / 85,339,629.68-117,768,689.10-46,181,406.40

Finding the Fourth Proportional to 85,339,629.68, 117,768,689.10 and 46,181,406.40

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Solution

The fourth proportional to 85,339,629.68, 117,768,689.10 and 46,181,406.40 is: 63,730,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,339,629.68 : 117,768,689.10 = 46,181,406.40 : x
  2. Step 2: Convert to fraction form
    85,339,629.68/117,768,689.10 = 46,181,406.40/x
  3. Step 3: Cross multiply
    85,339,629.68x = 117,768,689.10 × 46,181,406.40
  4. Step 4: Simplify right side
    85,339,629.68x = 5,438,723,692,227,928
  5. Step 5: Solve for x
    x = 5,438,723,692,227,928/85,339,629.68
  6. Step 6: Final answer
    x = 63,730,340.91

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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.