Home / 211,328,037.09-291,599,802.85-120,800,235.43

Finding the Fourth Proportional to 211,328,037.09, 291,599,802.85 and 120,800,235.43

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Solution

The fourth proportional to 211,328,037.09, 291,599,802.85 and 120,800,235.43 is: 166,685,525.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,328,037.09 : 291,599,802.85 = 120,800,235.43 : x
  2. Step 2: Convert to fraction form
    211,328,037.09/291,599,802.85 = 120,800,235.43/x
  3. Step 3: Cross multiply
    211,328,037.09x = 291,599,802.85 × 120,800,235.43
  4. Step 4: Simplify right side
    211,328,037.09x = 35,225,324,835,655,092
  5. Step 5: Solve for x
    x = 35,225,324,835,655,092/211,328,037.09
  6. Step 6: Final answer
    x = 166,685,525.12

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1.5x scale

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.