Home / 227,019,611.40-313,287,060.87-122,597,673.51

Finding the Fourth Proportional to 227,019,611.40, 313,287,060.87 and 122,597,673.51

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Solution

The fourth proportional to 227,019,611.40, 313,287,060.87 and 122,597,673.51 is: 169,184,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,019,611.40 : 313,287,060.87 = 122,597,673.51 : x
  2. Step 2: Convert to fraction form
    227,019,611.40/313,287,060.87 = 122,597,673.51/x
  3. Step 3: Cross multiply
    227,019,611.40x = 313,287,060.87 × 122,597,673.51
  4. Step 4: Simplify right side
    227,019,611.40x = 38,408,264,803,447,760
  5. Step 5: Solve for x
    x = 38,408,264,803,447,760/227,019,611.40
  6. Step 6: Final answer
    x = 169,184,787.90

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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.