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Finding the Fourth Proportional to 90,797,868,232.20, 136,196,802,348.30 and 90,797,868,232.20

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Solution

The fourth proportional to 90,797,868,232.20, 136,196,802,348.30 and 90,797,868,232.20 is: 136,196,802,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,797,868,232.20 : 136,196,802,348.30 = 90,797,868,232.20 : x
  2. Step 2: Convert to fraction form
    90,797,868,232.20/136,196,802,348.30 = 90,797,868,232.20/x
  3. Step 3: Cross multiply
    90,797,868,232.20x = 136,196,802,348.30 × 90,797,868,232.20
  4. Step 4: Simplify right side
    90,797,868,232.20x = 12,366,379,313,267,931,611,136
  5. Step 5: Solve for x
    x = 12,366,379,313,267,931,611,136/90,797,868,232.20
  6. Step 6: Final answer
    x = 136,196,802,348.30

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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.