Home / 66,416,860,915.07-91,718,569,063.73-62,798,512,687.24

Finding the Fourth Proportional to 66,416,860,915.07, 91,718,569,063.73 and 62,798,512,687.24

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Solution

The fourth proportional to 66,416,860,915.07, 91,718,569,063.73 and 62,798,512,687.24 is: 86,721,799,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,416,860,915.07 : 91,718,569,063.73 = 62,798,512,687.24 : x
  2. Step 2: Convert to fraction form
    66,416,860,915.07/91,718,569,063.73 = 62,798,512,687.24/x
  3. Step 3: Cross multiply
    66,416,860,915.07x = 91,718,569,063.73 × 62,798,512,687.24
  4. Step 4: Simplify right side
    66,416,860,915.07x = 5,759,789,723,004,179,578,880
  5. Step 5: Solve for x
    x = 5,759,789,723,004,179,578,880/66,416,860,915.07
  6. Step 6: Final answer
    x = 86,721,799,911.17

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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.