Home / 123,912,415.72-185,844,129.18-117,767,353.96

Finding the Fourth Proportional to 123,912,415.72, 185,844,129.18 and 117,767,353.96

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Solution

The fourth proportional to 123,912,415.72, 185,844,129.18 and 117,767,353.96 is: 176,627,751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,912,415.72 : 185,844,129.18 = 117,767,353.96 : x
  2. Step 2: Convert to fraction form
    123,912,415.72/185,844,129.18 = 117,767,353.96/x
  3. Step 3: Cross multiply
    123,912,415.72x = 185,844,129.18 × 117,767,353.96
  4. Step 4: Simplify right side
    123,912,415.72x = 21,886,371,342,529,024
  5. Step 5: Solve for x
    x = 21,886,371,342,529,024/123,912,415.72
  6. Step 6: Final answer
    x = 176,627,751.27

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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.