Home / 201,503,616.81-302,244,056.16-89,297,147.86

Finding the Fourth Proportional to 201,503,616.81, 302,244,056.16 and 89,297,147.86

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Solution

The fourth proportional to 201,503,616.81, 302,244,056.16 and 89,297,147.86 is: 133,940,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,503,616.81 : 302,244,056.16 = 89,297,147.86 : x
  2. Step 2: Convert to fraction form
    201,503,616.81/302,244,056.16 = 89,297,147.86/x
  3. Step 3: Cross multiply
    201,503,616.81x = 302,244,056.16 × 89,297,147.86
  4. Step 4: Simplify right side
    201,503,616.81x = 26,989,532,172,725,664
  5. Step 5: Solve for x
    x = 26,989,532,172,725,664/201,503,616.81
  6. Step 6: Final answer
    x = 133,940,683.55

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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.