Home / 54,492,181,987.80-81,738,272,981.70-39,798,901,219.80

Finding the Fourth Proportional to 54,492,181,987.80, 81,738,272,981.70 and 39,798,901,219.80

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Solution

The fourth proportional to 54,492,181,987.80, 81,738,272,981.70 and 39,798,901,219.80 is: 59,698,351,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,492,181,987.80 : 81,738,272,981.70 = 39,798,901,219.80 : x
  2. Step 2: Convert to fraction form
    54,492,181,987.80/81,738,272,981.70 = 39,798,901,219.80/x
  3. Step 3: Cross multiply
    54,492,181,987.80x = 81,738,272,981.70 × 39,798,901,219.80
  4. Step 4: Simplify right side
    54,492,181,987.80x = 3,253,093,452,275,725,631,488
  5. Step 5: Solve for x
    x = 3,253,093,452,275,725,631,488/54,492,181,987.80
  6. Step 6: Final answer
    x = 59,698,351,829.70

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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.