Home / 90,436,177,890.30-135,654,266,835.45-90,436,177,890.30

Finding the Fourth Proportional to 90,436,177,890.30, 135,654,266,835.45 and 90,436,177,890.30

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Solution

The fourth proportional to 90,436,177,890.30, 135,654,266,835.45 and 90,436,177,890.30 is: 135,654,266,835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,436,177,890.30 : 135,654,266,835.45 = 90,436,177,890.30 : x
  2. Step 2: Convert to fraction form
    90,436,177,890.30/135,654,266,835.45 = 90,436,177,890.30/x
  3. Step 3: Cross multiply
    90,436,177,890.30x = 135,654,266,835.45 × 90,436,177,890.30
  4. Step 4: Simplify right side
    90,436,177,890.30x = 12,268,053,407,108,979,228,672
  5. Step 5: Solve for x
    x = 12,268,053,407,108,979,228,672/90,436,177,890.30
  6. Step 6: Final answer
    x = 135,654,266,835.45

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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.