Home / 199,631,971.20-299,447,956.80-170,406,652.80

Finding the Fourth Proportional to 199,631,971.20, 299,447,956.80 and 170,406,652.80

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Solution

The fourth proportional to 199,631,971.20, 299,447,956.80 and 170,406,652.80 is: 255,609,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,631,971.20 : 299,447,956.80 = 170,406,652.80 : x
  2. Step 2: Convert to fraction form
    199,631,971.20/299,447,956.80 = 170,406,652.80/x
  3. Step 3: Cross multiply
    199,631,971.20x = 299,447,956.80 × 170,406,652.80
  4. Step 4: Simplify right side
    199,631,971.20x = 51,027,924,006,087,008
  5. Step 5: Solve for x
    x = 51,027,924,006,087,008/199,631,971.20
  6. Step 6: Final answer
    x = 255,609,979.20

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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.