Home / 305,314,496.40-458,165,446.80-130,438,847.90

Finding the Fourth Proportional to 305,314,496.40, 458,165,446.80 and 130,438,847.90

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Solution

The fourth proportional to 305,314,496.40, 458,165,446.80 and 130,438,847.90 is: 195,741,026.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,314,496.40 : 458,165,446.80 = 130,438,847.90 : x
  2. Step 2: Convert to fraction form
    305,314,496.40/458,165,446.80 = 130,438,847.90/x
  3. Step 3: Cross multiply
    305,314,496.40x = 458,165,446.80 × 130,438,847.90
  4. Step 4: Simplify right side
    305,314,496.40x = 59,762,573,025,889,912
  5. Step 5: Solve for x
    x = 59,762,573,025,889,912/305,314,496.40
  6. Step 6: Final answer
    x = 195,741,026.81

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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.