Home / 97,785,181,806.10-146,677,772,709.15-66,171,669,903.70

Finding the Fourth Proportional to 97,785,181,806.10, 146,677,772,709.15 and 66,171,669,903.70

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Solution

The fourth proportional to 97,785,181,806.10, 146,677,772,709.15 and 66,171,669,903.70 is: 99,257,504,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,785,181,806.10 : 146,677,772,709.15 = 66,171,669,903.70 : x
  2. Step 2: Convert to fraction form
    97,785,181,806.10/146,677,772,709.15 = 66,171,669,903.70/x
  3. Step 3: Cross multiply
    97,785,181,806.10x = 146,677,772,709.15 × 66,171,669,903.70
  4. Step 4: Simplify right side
    97,785,181,806.10x = 9,705,913,157,919,809,994,752
  5. Step 5: Solve for x
    x = 9,705,913,157,919,809,994,752/97,785,181,806.10
  6. Step 6: Final answer
    x = 99,257,504,855.55

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Double scale
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1.5x scale

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.