Home / 200,024,415.90-300,048,236.01-77,203,416.06

Finding the Fourth Proportional to 200,024,415.90, 300,048,236.01 and 77,203,416.06

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Solution

The fourth proportional to 200,024,415.90, 300,048,236.01 and 77,203,416.06 is: 115,809,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,024,415.90 : 300,048,236.01 = 77,203,416.06 : x
  2. Step 2: Convert to fraction form
    200,024,415.90/300,048,236.01 = 77,203,416.06/x
  3. Step 3: Cross multiply
    200,024,415.90x = 300,048,236.01 × 77,203,416.06
  4. Step 4: Simplify right side
    200,024,415.90x = 23,164,748,802,749,104
  5. Step 5: Solve for x
    x = 23,164,748,802,749,104/200,024,415.90
  6. Step 6: Final answer
    x = 115,809,606.03

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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.