Home / 210,361,856.84-315,576,691.98-64,795,350.56

Finding the Fourth Proportional to 210,361,856.84, 315,576,691.98 and 64,795,350.56

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Solution

The fourth proportional to 210,361,856.84, 315,576,691.98 and 64,795,350.56 is: 97,203,469.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,361,856.84 : 315,576,691.98 = 64,795,350.56 : x
  2. Step 2: Convert to fraction form
    210,361,856.84/315,576,691.98 = 64,795,350.56/x
  3. Step 3: Cross multiply
    210,361,856.84x = 315,576,691.98 × 64,795,350.56
  4. Step 4: Simplify right side
    210,361,856.84x = 20,447,902,385,409,244
  5. Step 5: Solve for x
    x = 20,447,902,385,409,244/210,361,856.84
  6. Step 6: Final answer
    x = 97,203,469.74

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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.