Home / 85,313,463,424.80-117,687,943,917.64-52,750,267,894.38

Finding the Fourth Proportional to 85,313,463,424.80, 117,687,943,917.64 and 52,750,267,894.38

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Solution

The fourth proportional to 85,313,463,424.80, 117,687,943,917.64 and 52,750,267,894.38 is: 72,767,770,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,313,463,424.80 : 117,687,943,917.64 = 52,750,267,894.38 : x
  2. Step 2: Convert to fraction form
    85,313,463,424.80/117,687,943,917.64 = 52,750,267,894.38/x
  3. Step 3: Cross multiply
    85,313,463,424.80x = 117,687,943,917.64 × 52,750,267,894.38
  4. Step 4: Simplify right side
    85,313,463,424.80x = 6,208,070,569,593,808,093,184
  5. Step 5: Solve for x
    x = 6,208,070,569,593,808,093,184/85,313,463,424.80
  6. Step 6: Final answer
    x = 72,767,770,998.60

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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.