Home / 66,477,661,792.84-99,722,622,708.78-21,709,393,114.85

Finding the Fourth Proportional to 66,477,661,792.84, 99,722,622,708.78 and 21,709,393,114.85

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Solution

The fourth proportional to 66,477,661,792.84, 99,722,622,708.78 and 21,709,393,114.85 is: 32,566,091,532.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,477,661,792.84 : 99,722,622,708.78 = 21,709,393,114.85 : x
  2. Step 2: Convert to fraction form
    66,477,661,792.84/99,722,622,708.78 = 21,709,393,114.85/x
  3. Step 3: Cross multiply
    66,477,661,792.84x = 99,722,622,708.78 × 21,709,393,114.85
  4. Step 4: Simplify right side
    66,477,661,792.84x = 2,164,917,618,828,772,638,720
  5. Step 5: Solve for x
    x = 2,164,917,618,828,772,638,720/66,477,661,792.84
  6. Step 6: Final answer
    x = 32,566,091,532.75

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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.