Home / 318,449,372.08-439,595,727.60-214,087,972

Finding the Fourth Proportional to 318,449,372.08, 439,595,727.60 and 214,087,972

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Solution

The fourth proportional to 318,449,372.08, 439,595,727.60 and 214,087,972 is: 295,532,558.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,449,372.08 : 439,595,727.60 = 214,087,972 : x
  2. Step 2: Convert to fraction form
    318,449,372.08/439,595,727.60 = 214,087,972/x
  3. Step 3: Cross multiply
    318,449,372.08x = 439,595,727.60 × 214,087,972
  4. Step 4: Simplify right side
    318,449,372.08x = 94,112,157,821,748,432
  5. Step 5: Solve for x
    x = 94,112,157,821,748,432/318,449,372.08
  6. Step 6: Final answer
    x = 295,532,558.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.