Home / 54,492,181,985.80-81,738,272,978.70-39,798,901,217.80

Finding the Fourth Proportional to 54,492,181,985.80, 81,738,272,978.70 and 39,798,901,217.80

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Solution

The fourth proportional to 54,492,181,985.80, 81,738,272,978.70 and 39,798,901,217.80 is: 59,698,351,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,492,181,985.80 : 81,738,272,978.70 = 39,798,901,217.80 : x
  2. Step 2: Convert to fraction form
    54,492,181,985.80/81,738,272,978.70 = 39,798,901,217.80/x
  3. Step 3: Cross multiply
    54,492,181,985.80x = 81,738,272,978.70 × 39,798,901,217.80
  4. Step 4: Simplify right side
    54,492,181,985.80x = 3,253,093,451,992,852,332,544
  5. Step 5: Solve for x
    x = 3,253,093,451,992,852,332,544/54,492,181,985.80
  6. Step 6: Final answer
    x = 59,698,351,826.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.