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Finding the Fourth Proportional to 90,699,268,207.60, 136,048,902,311.40 and 90,699,268,207.60

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Solution

The fourth proportional to 90,699,268,207.60, 136,048,902,311.40 and 90,699,268,207.60 is: 136,048,902,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,699,268,207.60 : 136,048,902,311.40 = 90,699,268,207.60 : x
  2. Step 2: Convert to fraction form
    90,699,268,207.60/136,048,902,311.40 = 90,699,268,207.60/x
  3. Step 3: Cross multiply
    90,699,268,207.60x = 136,048,902,311.40 × 90,699,268,207.60
  4. Step 4: Simplify right side
    90,699,268,207.60x = 12,339,535,880,091,240,235,008
  5. Step 5: Solve for x
    x = 12,339,535,880,091,240,235,008/90,699,268,207.60
  6. Step 6: Final answer
    x = 136,048,902,311.40

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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.