Home / 28,140,998.20-42,148,511.70-23,102,150.20

Finding the Fourth Proportional to 28,140,998.20, 42,148,511.70 and 23,102,150.20

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Solution

The fourth proportional to 28,140,998.20, 42,148,511.70 and 23,102,150.20 is: 34,601,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,140,998.20 : 42,148,511.70 = 23,102,150.20 : x
  2. Step 2: Convert to fraction form
    28,140,998.20/42,148,511.70 = 23,102,150.20/x
  3. Step 3: Cross multiply
    28,140,998.20x = 42,148,511.70 × 23,102,150.20
  4. Step 4: Simplify right side
    28,140,998.20x = 973,721,247,999,857.38
  5. Step 5: Solve for x
    x = 973,721,247,999,857.38/28,140,998.20
  6. Step 6: Final answer
    x = 34,601,517.72

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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.