Home / 309,295,250.73-463,636,425.60-145,239,331.02

Finding the Fourth Proportional to 309,295,250.73, 463,636,425.60 and 145,239,331.02

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Solution

The fourth proportional to 309,295,250.73, 463,636,425.60 and 145,239,331.02 is: 217,715,093.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,295,250.73 : 463,636,425.60 = 145,239,331.02 : x
  2. Step 2: Convert to fraction form
    309,295,250.73/463,636,425.60 = 145,239,331.02/x
  3. Step 3: Cross multiply
    309,295,250.73x = 463,636,425.60 × 145,239,331.02
  4. Step 4: Simplify right side
    309,295,250.73x = 67,338,244,290,648,008
  5. Step 5: Solve for x
    x = 67,338,244,290,648,008/309,295,250.73
  6. Step 6: Final answer
    x = 217,715,093.04

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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.