Home / 108,873,007.80-163,309,511.70-72,593,302.20

Finding the Fourth Proportional to 108,873,007.80, 163,309,511.70 and 72,593,302.20

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Solution

The fourth proportional to 108,873,007.80, 163,309,511.70 and 72,593,302.20 is: 108,889,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,873,007.80 : 163,309,511.70 = 72,593,302.20 : x
  2. Step 2: Convert to fraction form
    108,873,007.80/163,309,511.70 = 72,593,302.20/x
  3. Step 3: Cross multiply
    108,873,007.80x = 163,309,511.70 × 72,593,302.20
  4. Step 4: Simplify right side
    108,873,007.80x = 11,855,176,734,972,536
  5. Step 5: Solve for x
    x = 11,855,176,734,972,536/108,873,007.80
  6. Step 6: Final answer
    x = 108,889,953.30

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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.