Home / 199,478,191.55-298,957,749.17-81,165,070.94

Finding the Fourth Proportional to 199,478,191.55, 298,957,749.17 and 81,165,070.94

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Solution

The fourth proportional to 199,478,191.55, 298,957,749.17 and 81,165,070.94 is: 121,642,003.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,478,191.55 : 298,957,749.17 = 81,165,070.94 : x
  2. Step 2: Convert to fraction form
    199,478,191.55/298,957,749.17 = 81,165,070.94/x
  3. Step 3: Cross multiply
    199,478,191.55x = 298,957,749.17 × 81,165,070.94
  4. Step 4: Simplify right side
    199,478,191.55x = 24,264,926,917,545,164
  5. Step 5: Solve for x
    x = 24,264,926,917,545,164/199,478,191.55
  6. Step 6: Final answer
    x = 121,642,003.72

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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.