Home / 166,415,572.20-249,623,358.30-111,996,013.80

Finding the Fourth Proportional to 166,415,572.20, 249,623,358.30 and 111,996,013.80

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Solution

The fourth proportional to 166,415,572.20, 249,623,358.30 and 111,996,013.80 is: 167,994,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,415,572.20 : 249,623,358.30 = 111,996,013.80 : x
  2. Step 2: Convert to fraction form
    166,415,572.20/249,623,358.30 = 111,996,013.80/x
  3. Step 3: Cross multiply
    166,415,572.20x = 249,623,358.30 × 111,996,013.80
  4. Step 4: Simplify right side
    166,415,572.20x = 27,956,821,080,969,144
  5. Step 5: Solve for x
    x = 27,956,821,080,969,144/166,415,572.20
  6. Step 6: Final answer
    x = 167,994,020.70

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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.