Home / 72,642,115,315.80-108,963,172,973.70-33,383,505,763.80

Finding the Fourth Proportional to 72,642,115,315.80, 108,963,172,973.70 and 33,383,505,763.80

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Solution

The fourth proportional to 72,642,115,315.80, 108,963,172,973.70 and 33,383,505,763.80 is: 50,075,258,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,642,115,315.80 : 108,963,172,973.70 = 33,383,505,763.80 : x
  2. Step 2: Convert to fraction form
    72,642,115,315.80/108,963,172,973.70 = 33,383,505,763.80/x
  3. Step 3: Cross multiply
    72,642,115,315.80x = 108,963,172,973.70 × 33,383,505,763.80
  4. Step 4: Simplify right side
    72,642,115,315.80x = 3,637,572,713,009,450,057,728
  5. Step 5: Solve for x
    x = 3,637,572,713,009,450,057,728/72,642,115,315.80
  6. Step 6: Final answer
    x = 50,075,258,645.70

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Double scale
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1.5x scale

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.