Home / 354,294,519.60-531,441,779.40-160,212,266.40

Finding the Fourth Proportional to 354,294,519.60, 531,441,779.40 and 160,212,266.40

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Solution

The fourth proportional to 354,294,519.60, 531,441,779.40 and 160,212,266.40 is: 240,318,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,519.60 : 531,441,779.40 = 160,212,266.40 : x
  2. Step 2: Convert to fraction form
    354,294,519.60/531,441,779.40 = 160,212,266.40/x
  3. Step 3: Cross multiply
    354,294,519.60x = 531,441,779.40 × 160,212,266.40
  4. Step 4: Simplify right side
    354,294,519.60x = 85,143,491,937,322,832
  5. Step 5: Solve for x
    x = 85,143,491,937,322,832/354,294,519.60
  6. Step 6: Final answer
    x = 240,318,399.60

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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.