Home / 289,304,022.33-399,243,181.77-157,147,225.74

Finding the Fourth Proportional to 289,304,022.33, 399,243,181.77 and 157,147,225.74

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Solution

The fourth proportional to 289,304,022.33, 399,243,181.77 and 157,147,225.74 is: 216,865,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,304,022.33 : 399,243,181.77 = 157,147,225.74 : x
  2. Step 2: Convert to fraction form
    289,304,022.33/399,243,181.77 = 157,147,225.74/x
  3. Step 3: Cross multiply
    289,304,022.33x = 399,243,181.77 × 157,147,225.74
  4. Step 4: Simplify right side
    289,304,022.33x = 62,739,958,410,766,040
  5. Step 5: Solve for x
    x = 62,739,958,410,766,040/289,304,022.33
  6. Step 6: Final answer
    x = 216,865,143.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.