Home / 105,525,505,453.80-158,288,258,180.70-74,118,617,812.20

Finding the Fourth Proportional to 105,525,505,453.80, 158,288,258,180.70 and 74,118,617,812.20

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Solution

The fourth proportional to 105,525,505,453.80, 158,288,258,180.70 and 74,118,617,812.20 is: 111,177,926,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,525,505,453.80 : 158,288,258,180.70 = 74,118,617,812.20 : x
  2. Step 2: Convert to fraction form
    105,525,505,453.80/158,288,258,180.70 = 74,118,617,812.20/x
  3. Step 3: Cross multiply
    105,525,505,453.80x = 158,288,258,180.70 × 74,118,617,812.20
  4. Step 4: Simplify right side
    105,525,505,453.80x = 11,732,106,912,254,144,806,912
  5. Step 5: Solve for x
    x = 11,732,106,912,254,144,806,912/105,525,505,453.80
  6. Step 6: Final answer
    x = 111,177,926,718.30

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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.