Home / 145,224,223.40-217,836,335.10-54,336,002.60

Finding the Fourth Proportional to 145,224,223.40, 217,836,335.10 and 54,336,002.60

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Solution

The fourth proportional to 145,224,223.40, 217,836,335.10 and 54,336,002.60 is: 81,504,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,224,223.40 : 217,836,335.10 = 54,336,002.60 : x
  2. Step 2: Convert to fraction form
    145,224,223.40/217,836,335.10 = 54,336,002.60/x
  3. Step 3: Cross multiply
    145,224,223.40x = 217,836,335.10 × 54,336,002.60
  4. Step 4: Simplify right side
    145,224,223.40x = 11,836,355,670,368,072
  5. Step 5: Solve for x
    x = 11,836,355,670,368,072/145,224,223.40
  6. Step 6: Final answer
    x = 81,504,003.90

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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.