Home / 187,816,199.40-281,724,299.10-129,365,562.60

Finding the Fourth Proportional to 187,816,199.40, 281,724,299.10 and 129,365,562.60

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Solution

The fourth proportional to 187,816,199.40, 281,724,299.10 and 129,365,562.60 is: 194,048,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,816,199.40 : 281,724,299.10 = 129,365,562.60 : x
  2. Step 2: Convert to fraction form
    187,816,199.40/281,724,299.10 = 129,365,562.60/x
  3. Step 3: Cross multiply
    187,816,199.40x = 281,724,299.10 × 129,365,562.60
  4. Step 4: Simplify right side
    187,816,199.40x = 36,445,422,451,162,176
  5. Step 5: Solve for x
    x = 36,445,422,451,162,176/187,816,199.40
  6. Step 6: Final answer
    x = 194,048,343.90

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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.