Home / 66,819,846,136.72-92,213,812,147.08-38,279,017,446.16

Finding the Fourth Proportional to 66,819,846,136.72, 92,213,812,147.08 and 38,279,017,446.16

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Solution

The fourth proportional to 66,819,846,136.72, 92,213,812,147.08 and 38,279,017,446.16 is: 52,826,432,984.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,819,846,136.72 : 92,213,812,147.08 = 38,279,017,446.16 : x
  2. Step 2: Convert to fraction form
    66,819,846,136.72/92,213,812,147.08 = 38,279,017,446.16/x
  3. Step 3: Cross multiply
    66,819,846,136.72x = 92,213,812,147.08 × 38,279,017,446.16
  4. Step 4: Simplify right side
    66,819,846,136.72x = 3,529,854,123,954,996,772,864
  5. Step 5: Solve for x
    x = 3,529,854,123,954,996,772,864/66,819,846,136.72
  6. Step 6: Final answer
    x = 52,826,432,984.19

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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.