Home / 194,204,095.69-291,490,311.10-120,204,031.89

Finding the Fourth Proportional to 194,204,095.69, 291,490,311.10 and 120,204,031.89

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Solution

The fourth proportional to 194,204,095.69, 291,490,311.10 and 120,204,031.89 is: 180,420,039.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,204,095.69 : 291,490,311.10 = 120,204,031.89 : x
  2. Step 2: Convert to fraction form
    194,204,095.69/291,490,311.10 = 120,204,031.89/x
  3. Step 3: Cross multiply
    194,204,095.69x = 291,490,311.10 × 120,204,031.89
  4. Step 4: Simplify right side
    194,204,095.69x = 35,038,310,651,090,424
  5. Step 5: Solve for x
    x = 35,038,310,651,090,424/194,204,095.69
  6. Step 6: Final answer
    x = 180,420,039.68

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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.