Home / 201,749,309.55-278,405,445.04-112,436,501.27

Finding the Fourth Proportional to 201,749,309.55, 278,405,445.04 and 112,436,501.27

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Solution

The fourth proportional to 201,749,309.55, 278,405,445.04 and 112,436,501.27 is: 155,157,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,749,309.55 : 278,405,445.04 = 112,436,501.27 : x
  2. Step 2: Convert to fraction form
    201,749,309.55/278,405,445.04 = 112,436,501.27/x
  3. Step 3: Cross multiply
    201,749,309.55x = 278,405,445.04 × 112,436,501.27
  4. Step 4: Simplify right side
    201,749,309.55x = 31,302,934,175,339,412
  5. Step 5: Solve for x
    x = 31,302,934,175,339,412/201,749,309.55
  6. Step 6: Final answer
    x = 155,157,577.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.