Home / 296,779,975.80-409,548,464.40-171,327,938.04

Finding the Fourth Proportional to 296,779,975.80, 409,548,464.40 and 171,327,938.04

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Solution

The fourth proportional to 296,779,975.80, 409,548,464.40 and 171,327,938.04 is: 236,427,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,779,975.80 : 409,548,464.40 = 171,327,938.04 : x
  2. Step 2: Convert to fraction form
    296,779,975.80/409,548,464.40 = 171,327,938.04/x
  3. Step 3: Cross multiply
    296,779,975.80x = 409,548,464.40 × 171,327,938.04
  4. Step 4: Simplify right side
    296,779,975.80x = 70,167,093,933,100,336
  5. Step 5: Solve for x
    x = 70,167,093,933,100,336/296,779,975.80
  6. Step 6: Final answer
    x = 236,427,992.64

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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.