Home / 319,839,504.93-479,788,535.79-89,807,039.55

Finding the Fourth Proportional to 319,839,504.93, 479,788,535.79 and 89,807,039.55

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Solution

The fourth proportional to 319,839,504.93, 479,788,535.79 and 89,807,039.55 is: 134,718,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,839,504.93 : 479,788,535.79 = 89,807,039.55 : x
  2. Step 2: Convert to fraction form
    319,839,504.93/479,788,535.79 = 89,807,039.55/x
  3. Step 3: Cross multiply
    319,839,504.93x = 479,788,535.79 × 89,807,039.55
  4. Step 4: Simplify right side
    319,839,504.93x = 43,088,388,009,329,120
  5. Step 5: Solve for x
    x = 43,088,388,009,329,120/319,839,504.93
  6. Step 6: Final answer
    x = 134,718,780.34

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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.