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Finding the Fourth Proportional to 89,343,879.40, 134,015,819.10 and 89,343,879.40

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Solution

The fourth proportional to 89,343,879.40, 134,015,819.10 and 89,343,879.40 is: 134,015,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,343,879.40 : 134,015,819.10 = 89,343,879.40 : x
  2. Step 2: Convert to fraction form
    89,343,879.40/134,015,819.10 = 89,343,879.40/x
  3. Step 3: Cross multiply
    89,343,879.40x = 134,015,819.10 × 89,343,879.40
  4. Step 4: Simplify right side
    89,343,879.40x = 11,973,493,179,362,616
  5. Step 5: Solve for x
    x = 11,973,493,179,362,616/89,343,879.40
  6. Step 6: Final answer
    x = 134,015,819.10

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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.