Home / 200,669,999.70-300,932,711.91-69,476,655.63

Finding the Fourth Proportional to 200,669,999.70, 300,932,711.91 and 69,476,655.63

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Solution

The fourth proportional to 200,669,999.70, 300,932,711.91 and 69,476,655.63 is: 104,189,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,669,999.70 : 300,932,711.91 = 69,476,655.63 : x
  2. Step 2: Convert to fraction form
    200,669,999.70/300,932,711.91 = 69,476,655.63/x
  3. Step 3: Cross multiply
    200,669,999.70x = 300,932,711.91 × 69,476,655.63
  4. Step 4: Simplify right side
    200,669,999.70x = 20,907,798,393,173,068
  5. Step 5: Solve for x
    x = 20,907,798,393,173,068/200,669,999.70
  6. Step 6: Final answer
    x = 104,189,955.77

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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.