Home / 309,295,246.23-463,636,418.87-145,239,326.51

Finding the Fourth Proportional to 309,295,246.23, 463,636,418.87 and 145,239,326.51

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Solution

The fourth proportional to 309,295,246.23, 463,636,418.87 and 145,239,326.51 is: 217,715,086.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,295,246.23 : 463,636,418.87 = 145,239,326.51 : x
  2. Step 2: Convert to fraction form
    309,295,246.23/463,636,418.87 = 145,239,326.51/x
  3. Step 3: Cross multiply
    309,295,246.23x = 463,636,418.87 × 145,239,326.51
  4. Step 4: Simplify right side
    309,295,246.23x = 67,338,241,220,231,968
  5. Step 5: Solve for x
    x = 67,338,241,220,231,968/309,295,246.23
  6. Step 6: Final answer
    x = 217,715,086.28

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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.