Home / 194,430,912.40-291,609,043.80-58,120,742.80

Finding the Fourth Proportional to 194,430,912.40, 291,609,043.80 and 58,120,742.80

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Solution

The fourth proportional to 194,430,912.40, 291,609,043.80 and 58,120,742.80 is: 87,169,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,430,912.40 : 291,609,043.80 = 58,120,742.80 : x
  2. Step 2: Convert to fraction form
    194,430,912.40/291,609,043.80 = 58,120,742.80/x
  3. Step 3: Cross multiply
    194,430,912.40x = 291,609,043.80 × 58,120,742.80
  4. Step 4: Simplify right side
    194,430,912.40x = 16,948,534,232,853,734
  5. Step 5: Solve for x
    x = 16,948,534,232,853,734/194,430,912.40
  6. Step 6: Final answer
    x = 87,169,956.79

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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.