Home / 109,013,668.70-163,520,503.05-84,827,198.30

Finding the Fourth Proportional to 109,013,668.70, 163,520,503.05 and 84,827,198.30

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Solution

The fourth proportional to 109,013,668.70, 163,520,503.05 and 84,827,198.30 is: 127,240,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,013,668.70 : 163,520,503.05 = 84,827,198.30 : x
  2. Step 2: Convert to fraction form
    109,013,668.70/163,520,503.05 = 84,827,198.30/x
  3. Step 3: Cross multiply
    109,013,668.70x = 163,520,503.05 × 84,827,198.30
  4. Step 4: Simplify right side
    109,013,668.70x = 13,870,986,138,338,106
  5. Step 5: Solve for x
    x = 13,870,986,138,338,106/109,013,668.70
  6. Step 6: Final answer
    x = 127,240,797.45

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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.