Home / 90,477,110,967.47-124,864,083,584.03-49,832,014,361.76

Finding the Fourth Proportional to 90,477,110,967.47, 124,864,083,584.03 and 49,832,014,361.76

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Solution

The fourth proportional to 90,477,110,967.47, 124,864,083,584.03 and 49,832,014,361.76 is: 68,771,302,928.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,477,110,967.47 : 124,864,083,584.03 = 49,832,014,361.76 : x
  2. Step 2: Convert to fraction form
    90,477,110,967.47/124,864,083,584.03 = 49,832,014,361.76/x
  3. Step 3: Cross multiply
    90,477,110,967.47x = 124,864,083,584.03 × 49,832,014,361.76
  4. Step 4: Simplify right side
    90,477,110,967.47x = 6,222,228,806,427,384,741,888
  5. Step 5: Solve for x
    x = 6,222,228,806,427,384,741,888/90,477,110,967.47
  6. Step 6: Final answer
    x = 68,771,302,928.37

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1.5x scale

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.