Home / 84,120,185.86-116,086,017.12-46,443,422.70

Finding the Fourth Proportional to 84,120,185.86, 116,086,017.12 and 46,443,422.70

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Solution

The fourth proportional to 84,120,185.86, 116,086,017.12 and 46,443,422.70 is: 64,092,012.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,120,185.86 : 116,086,017.12 = 46,443,422.70 : x
  2. Step 2: Convert to fraction form
    84,120,185.86/116,086,017.12 = 46,443,422.70/x
  3. Step 3: Cross multiply
    84,120,185.86x = 116,086,017.12 × 46,443,422.70
  4. Step 4: Simplify right side
    84,120,185.86x = 5,391,431,962,644,711
  5. Step 5: Solve for x
    x = 5,391,431,962,644,711/84,120,185.86
  6. Step 6: Final answer
    x = 64,092,012.01

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Double scale
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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.