Home / 210,361,844.85-315,576,673.98-64,795,338.54

Finding the Fourth Proportional to 210,361,844.85, 315,576,673.98 and 64,795,338.54

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Solution

The fourth proportional to 210,361,844.85, 315,576,673.98 and 64,795,338.54 is: 97,203,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,361,844.85 : 315,576,673.98 = 64,795,338.54 : x
  2. Step 2: Convert to fraction form
    210,361,844.85/315,576,673.98 = 64,795,338.54/x
  3. Step 3: Cross multiply
    210,361,844.85x = 315,576,673.98 × 64,795,338.54
  4. Step 4: Simplify right side
    210,361,844.85x = 20,447,897,425,861,312
  5. Step 5: Solve for x
    x = 20,447,897,425,861,312/210,361,844.85
  6. Step 6: Final answer
    x = 97,203,451.70

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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.