Home / 100,902,147,628.28-139,179,353,224.74-64,715,863,266.23

Finding the Fourth Proportional to 100,902,147,628.28, 139,179,353,224.74 and 64,715,863,266.23

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Solution

The fourth proportional to 100,902,147,628.28, 139,179,353,224.74 and 64,715,863,266.23 is: 89,265,810,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,902,147,628.28 : 139,179,353,224.74 = 64,715,863,266.23 : x
  2. Step 2: Convert to fraction form
    100,902,147,628.28/139,179,353,224.74 = 64,715,863,266.23/x
  3. Step 3: Cross multiply
    100,902,147,628.28x = 139,179,353,224.74 × 64,715,863,266.23
  4. Step 4: Simplify right side
    100,902,147,628.28x = 9,007,111,992,774,601,211,904
  5. Step 5: Solve for x
    x = 9,007,111,992,774,601,211,904/100,902,147,628.28
  6. Step 6: Final answer
    x = 89,265,810,535.14

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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.