Home / 102,106,923.37-140,908,453.55-55,697,383.69

Finding the Fourth Proportional to 102,106,923.37, 140,908,453.55 and 55,697,383.69

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Solution

The fourth proportional to 102,106,923.37, 140,908,453.55 and 55,697,383.69 is: 76,862,880.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,106,923.37 : 140,908,453.55 = 55,697,383.69 : x
  2. Step 2: Convert to fraction form
    102,106,923.37/140,908,453.55 = 55,697,383.69/x
  3. Step 3: Cross multiply
    102,106,923.37x = 140,908,453.55 × 55,697,383.69
  4. Step 4: Simplify right side
    102,106,923.37x = 7,848,232,202,538,893
  5. Step 5: Solve for x
    x = 7,848,232,202,538,893/102,106,923.37
  6. Step 6: Final answer
    x = 76,862,880.04

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Double scale
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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.