Home / 193,345,807.32-266,822,884.62-105,245,551.44

Finding the Fourth Proportional to 193,345,807.32, 266,822,884.62 and 105,245,551.44

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Solution

The fourth proportional to 193,345,807.32, 266,822,884.62 and 105,245,551.44 is: 145,241,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,345,807.32 : 266,822,884.62 = 105,245,551.44 : x
  2. Step 2: Convert to fraction form
    193,345,807.32/266,822,884.62 = 105,245,551.44/x
  3. Step 3: Cross multiply
    193,345,807.32x = 266,822,884.62 × 105,245,551.44
  4. Step 4: Simplify right side
    193,345,807.32x = 28,081,921,628,643,396
  5. Step 5: Solve for x
    x = 28,081,921,628,643,396/193,345,807.32
  6. Step 6: Final answer
    x = 145,241,947.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.