Home / 55,090,498,212.80-82,513,303,312.80-47,743,857,828.80

Finding the Fourth Proportional to 55,090,498,212.80, 82,513,303,312.80 and 47,743,857,828.80

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Solution

The fourth proportional to 55,090,498,212.80, 82,513,303,312.80 and 47,743,857,828.80 is: 71,509,671,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,090,498,212.80 : 82,513,303,312.80 = 47,743,857,828.80 : x
  2. Step 2: Convert to fraction form
    55,090,498,212.80/82,513,303,312.80 = 47,743,857,828.80/x
  3. Step 3: Cross multiply
    55,090,498,212.80x = 82,513,303,312.80 × 47,743,857,828.80
  4. Step 4: Simplify right side
    55,090,498,212.80x = 3,939,503,422,350,975,565,824
  5. Step 5: Solve for x
    x = 3,939,503,422,350,975,565,824/55,090,498,212.80
  6. Step 6: Final answer
    x = 71,509,671,361.72

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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.