Home / 211,328,038.59-291,599,804.91-120,800,236.94

Finding the Fourth Proportional to 211,328,038.59, 291,599,804.91 and 120,800,236.94

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Solution

The fourth proportional to 211,328,038.59, 291,599,804.91 and 120,800,236.94 is: 166,685,527.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,328,038.59 : 291,599,804.91 = 120,800,236.94 : x
  2. Step 2: Convert to fraction form
    211,328,038.59/291,599,804.91 = 120,800,236.94/x
  3. Step 3: Cross multiply
    211,328,038.59x = 291,599,804.91 × 120,800,236.94
  4. Step 4: Simplify right side
    211,328,038.59x = 35,225,325,523,327,780
  5. Step 5: Solve for x
    x = 35,225,325,523,327,780/211,328,038.59
  6. Step 6: Final answer
    x = 166,685,527.19

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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.