Home / 210,926,911.48-291,081,466.20-116,842,499.80

Finding the Fourth Proportional to 210,926,911.48, 291,081,466.20 and 116,842,499.80

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Solution

The fourth proportional to 210,926,911.48, 291,081,466.20 and 116,842,499.80 is: 161,243,939.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,926,911.48 : 291,081,466.20 = 116,842,499.80 : x
  2. Step 2: Convert to fraction form
    210,926,911.48/291,081,466.20 = 116,842,499.80/x
  3. Step 3: Cross multiply
    210,926,911.48x = 291,081,466.20 × 116,842,499.80
  4. Step 4: Simplify right side
    210,926,911.48x = 34,010,686,156,257,204
  5. Step 5: Solve for x
    x = 34,010,686,156,257,204/210,926,911.48
  6. Step 6: Final answer
    x = 161,243,939.51

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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.