Home / 20,162,345,145.60-30,243,517,718.40-18,164,977,291.20

Finding the Fourth Proportional to 20,162,345,145.60, 30,243,517,718.40 and 18,164,977,291.20

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Solution

The fourth proportional to 20,162,345,145.60, 30,243,517,718.40 and 18,164,977,291.20 is: 27,247,465,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,345,145.60 : 30,243,517,718.40 = 18,164,977,291.20 : x
  2. Step 2: Convert to fraction form
    20,162,345,145.60/30,243,517,718.40 = 18,164,977,291.20/x
  3. Step 3: Cross multiply
    20,162,345,145.60x = 30,243,517,718.40 × 18,164,977,291.20
  4. Step 4: Simplify right side
    20,162,345,145.60x = 549,372,812,560,740,909,056
  5. Step 5: Solve for x
    x = 549,372,812,560,740,909,056/20,162,345,145.60
  6. Step 6: Final answer
    x = 27,247,465,936.80

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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.