Home / 20,162,345,195.10-30,243,517,792.65-18,164,977,340.70

Finding the Fourth Proportional to 20,162,345,195.10, 30,243,517,792.65 and 18,164,977,340.70

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Solution

The fourth proportional to 20,162,345,195.10, 30,243,517,792.65 and 18,164,977,340.70 is: 27,247,466,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,345,195.10 : 30,243,517,792.65 = 18,164,977,340.70 : x
  2. Step 2: Convert to fraction form
    20,162,345,195.10/30,243,517,792.65 = 18,164,977,340.70/x
  3. Step 3: Cross multiply
    20,162,345,195.10x = 30,243,517,792.65 × 18,164,977,340.70
  4. Step 4: Simplify right side
    20,162,345,195.10x = 549,372,815,406,544,584,704
  5. Step 5: Solve for x
    x = 549,372,815,406,544,584,704/20,162,345,195.10
  6. Step 6: Final answer
    x = 27,247,466,011.05

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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.