Home / 111,735,551,152.26-154,396,760,075.38-79,565,061,772.44

Finding the Fourth Proportional to 111,735,551,152.26, 154,396,760,075.38 and 79,565,061,772.44

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Solution

The fourth proportional to 111,735,551,152.26, 154,396,760,075.38 and 79,565,061,772.44 is: 109,943,412,156.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,735,551,152.26 : 154,396,760,075.38 = 79,565,061,772.44 : x
  2. Step 2: Convert to fraction form
    111,735,551,152.26/154,396,760,075.38 = 79,565,061,772.44/x
  3. Step 3: Cross multiply
    111,735,551,152.26x = 154,396,760,075.38 × 79,565,061,772.44
  4. Step 4: Simplify right side
    111,735,551,152.26x = 12,284,587,752,862,209,015,808
  5. Step 5: Solve for x
    x = 12,284,587,752,862,209,015,808/111,735,551,152.26
  6. Step 6: Final answer
    x = 109,943,412,156.46

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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.