Home / 111,130,123.80-166,695,185.70-109,004,359.80

Finding the Fourth Proportional to 111,130,123.80, 166,695,185.70 and 109,004,359.80

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Solution

The fourth proportional to 111,130,123.80, 166,695,185.70 and 109,004,359.80 is: 163,506,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,130,123.80 : 166,695,185.70 = 109,004,359.80 : x
  2. Step 2: Convert to fraction form
    111,130,123.80/166,695,185.70 = 109,004,359.80/x
  3. Step 3: Cross multiply
    111,130,123.80x = 166,695,185.70 × 109,004,359.80
  4. Step 4: Simplify right side
    111,130,123.80x = 18,170,501,998,970,612
  5. Step 5: Solve for x
    x = 18,170,501,998,970,612/111,130,123.80
  6. Step 6: Final answer
    x = 163,506,539.70

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1.5x scale

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.