Home / 211,029,415.20-316,544,122.80-174,749,709.60

Finding the Fourth Proportional to 211,029,415.20, 316,544,122.80 and 174,749,709.60

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Solution

The fourth proportional to 211,029,415.20, 316,544,122.80 and 174,749,709.60 is: 262,124,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,029,415.20 : 316,544,122.80 = 174,749,709.60 : x
  2. Step 2: Convert to fraction form
    211,029,415.20/316,544,122.80 = 174,749,709.60/x
  3. Step 3: Cross multiply
    211,029,415.20x = 316,544,122.80 × 174,749,709.60
  4. Step 4: Simplify right side
    211,029,415.20x = 55,315,993,534,886,736
  5. Step 5: Solve for x
    x = 55,315,993,534,886,736/211,029,415.20
  6. Step 6: Final answer
    x = 262,124,564.40

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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.