Home / 72,642,115,312.80-108,963,172,969.20-33,383,505,760.80

Finding the Fourth Proportional to 72,642,115,312.80, 108,963,172,969.20 and 33,383,505,760.80

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Solution

The fourth proportional to 72,642,115,312.80, 108,963,172,969.20 and 33,383,505,760.80 is: 50,075,258,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,642,115,312.80 : 108,963,172,969.20 = 33,383,505,760.80 : x
  2. Step 2: Convert to fraction form
    72,642,115,312.80/108,963,172,969.20 = 33,383,505,760.80/x
  3. Step 3: Cross multiply
    72,642,115,312.80x = 108,963,172,969.20 × 33,383,505,760.80
  4. Step 4: Simplify right side
    72,642,115,312.80x = 3,637,572,712,532,334,870,528
  5. Step 5: Solve for x
    x = 3,637,572,712,532,334,870,528/72,642,115,312.80
  6. Step 6: Final answer
    x = 50,075,258,641.20

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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.