Home / 206,486,484.48-309,733,011-114,952,019.76

Finding the Fourth Proportional to 206,486,484.48, 309,733,011 and 114,952,019.76

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Solution

The fourth proportional to 206,486,484.48, 309,733,011 and 114,952,019.76 is: 172,429,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,486,484.48 : 309,733,011 = 114,952,019.76 : x
  2. Step 2: Convert to fraction form
    206,486,484.48/309,733,011 = 114,952,019.76/x
  3. Step 3: Cross multiply
    206,486,484.48x = 309,733,011 × 114,952,019.76
  4. Step 4: Simplify right side
    206,486,484.48x = 35,604,435,200,796,300
  5. Step 5: Solve for x
    x = 35,604,435,200,796,300/206,486,484.48
  6. Step 6: Final answer
    x = 172,429,858.01

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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.