Home / 20,162,345,231.10-30,243,517,846.65-18,164,977,376.70

Finding the Fourth Proportional to 20,162,345,231.10, 30,243,517,846.65 and 18,164,977,376.70

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Solution

The fourth proportional to 20,162,345,231.10, 30,243,517,846.65 and 18,164,977,376.70 is: 27,247,466,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,345,231.10 : 30,243,517,846.65 = 18,164,977,376.70 : x
  2. Step 2: Convert to fraction form
    20,162,345,231.10/30,243,517,846.65 = 18,164,977,376.70/x
  3. Step 3: Cross multiply
    20,162,345,231.10x = 30,243,517,846.65 × 18,164,977,376.70
  4. Step 4: Simplify right side
    20,162,345,231.10x = 549,372,817,476,220,026,880
  5. Step 5: Solve for x
    x = 549,372,817,476,220,026,880/20,162,345,231.10
  6. Step 6: Final answer
    x = 27,247,466,065.05

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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.