Home / 269,201,211.48-403,801,795.35-85,097,991.42

Finding the Fourth Proportional to 269,201,211.48, 403,801,795.35 and 85,097,991.42

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Solution

The fourth proportional to 269,201,211.48, 403,801,795.35 and 85,097,991.42 is: 127,646,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,201,211.48 : 403,801,795.35 = 85,097,991.42 : x
  2. Step 2: Convert to fraction form
    269,201,211.48/403,801,795.35 = 85,097,991.42/x
  3. Step 3: Cross multiply
    269,201,211.48x = 403,801,795.35 × 85,097,991.42
  4. Step 4: Simplify right side
    269,201,211.48x = 34,362,721,716,074,900
  5. Step 5: Solve for x
    x = 34,362,721,716,074,900/269,201,211.48
  6. Step 6: Final answer
    x = 127,646,980.22

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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.