Home / 224,151,172.40-336,226,758.60-78,748,914.80

Finding the Fourth Proportional to 224,151,172.40, 336,226,758.60 and 78,748,914.80

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Solution

The fourth proportional to 224,151,172.40, 336,226,758.60 and 78,748,914.80 is: 118,123,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,151,172.40 : 336,226,758.60 = 78,748,914.80 : x
  2. Step 2: Convert to fraction form
    224,151,172.40/336,226,758.60 = 78,748,914.80/x
  3. Step 3: Cross multiply
    224,151,172.40x = 336,226,758.60 × 78,748,914.80
  4. Step 4: Simplify right side
    224,151,172.40x = 26,477,492,366,471,568
  5. Step 5: Solve for x
    x = 26,477,492,366,471,568/224,151,172.40
  6. Step 6: Final answer
    x = 118,123,372.20

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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.