Home / 85,339,630.68-117,768,690.48-46,181,407.40

Finding the Fourth Proportional to 85,339,630.68, 117,768,690.48 and 46,181,407.40

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Solution

The fourth proportional to 85,339,630.68, 117,768,690.48 and 46,181,407.40 is: 63,730,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,339,630.68 : 117,768,690.48 = 46,181,407.40 : x
  2. Step 2: Convert to fraction form
    85,339,630.68/117,768,690.48 = 46,181,407.40/x
  3. Step 3: Cross multiply
    85,339,630.68x = 117,768,690.48 × 46,181,407.40
  4. Step 4: Simplify right side
    85,339,630.68x = 5,438,723,874,021,382
  5. Step 5: Solve for x
    x = 5,438,723,874,021,382/85,339,630.68
  6. Step 6: Final answer
    x = 63,730,342.29

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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.