Home / 299,290,216.80-448,711,376.40-163,129,346.40

Finding the Fourth Proportional to 299,290,216.80, 448,711,376.40 and 163,129,346.40

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Solution

The fourth proportional to 299,290,216.80, 448,711,376.40 and 163,129,346.40 is: 244,571,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,290,216.80 : 448,711,376.40 = 163,129,346.40 : x
  2. Step 2: Convert to fraction form
    299,290,216.80/448,711,376.40 = 163,129,346.40/x
  3. Step 3: Cross multiply
    299,290,216.80x = 448,711,376.40 × 163,129,346.40
  4. Step 4: Simplify right side
    299,290,216.80x = 73,197,993,554,376,384
  5. Step 5: Solve for x
    x = 73,197,993,554,376,384/299,290,216.80
  6. Step 6: Final answer
    x = 244,571,955.40

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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.