Home / 211,597,331.54-291,977,876.23-117,498,684.50

Finding the Fourth Proportional to 211,597,331.54, 291,977,876.23 and 117,498,684.50

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Solution

The fourth proportional to 211,597,331.54, 291,977,876.23 and 117,498,684.50 is: 162,133,501.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,597,331.54 : 291,977,876.23 = 117,498,684.50 : x
  2. Step 2: Convert to fraction form
    211,597,331.54/291,977,876.23 = 117,498,684.50/x
  3. Step 3: Cross multiply
    211,597,331.54x = 291,977,876.23 × 117,498,684.50
  4. Step 4: Simplify right side
    211,597,331.54x = 34,307,016,358,375,188
  5. Step 5: Solve for x
    x = 34,307,016,358,375,188/211,597,331.54
  6. Step 6: Final answer
    x = 162,133,501.92

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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.