Home / 425,193,533.08-637,729,740-134,022,815.32

Finding the Fourth Proportional to 425,193,533.08, 637,729,740 and 134,022,815.32

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Solution

The fourth proportional to 425,193,533.08, 637,729,740 and 134,022,815.32 is: 201,015,134.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,193,533.08 : 637,729,740 = 134,022,815.32 : x
  2. Step 2: Convert to fraction form
    425,193,533.08/637,729,740 = 134,022,815.32/x
  3. Step 3: Cross multiply
    425,193,533.08x = 637,729,740 × 134,022,815.32
  4. Step 4: Simplify right side
    425,193,533.08x = 85,470,335,168,091,616
  5. Step 5: Solve for x
    x = 85,470,335,168,091,616/425,193,533.08
  6. Step 6: Final answer
    x = 201,015,134.33

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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.