Home / 85,339,630.05-117,768,689.62-46,181,406.78

Finding the Fourth Proportional to 85,339,630.05, 117,768,689.62 and 46,181,406.78

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Solution

The fourth proportional to 85,339,630.05, 117,768,689.62 and 46,181,406.78 is: 63,730,341.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,339,630.05 : 117,768,689.62 = 46,181,406.78 : x
  2. Step 2: Convert to fraction form
    85,339,630.05/117,768,689.62 = 46,181,406.78/x
  3. Step 3: Cross multiply
    85,339,630.05x = 117,768,689.62 × 46,181,406.78
  4. Step 4: Simplify right side
    85,339,630.05x = 5,438,723,761,173,331
  5. Step 5: Solve for x
    x = 5,438,723,761,173,331/85,339,630.05
  6. Step 6: Final answer
    x = 63,730,341.44

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1.5x scale

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.