Home / 111,124,679.80-166,687,019.70-104,889,105.40

Finding the Fourth Proportional to 111,124,679.80, 166,687,019.70 and 104,889,105.40

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Solution

The fourth proportional to 111,124,679.80, 166,687,019.70 and 104,889,105.40 is: 157,333,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,124,679.80 : 166,687,019.70 = 104,889,105.40 : x
  2. Step 2: Convert to fraction form
    111,124,679.80/166,687,019.70 = 104,889,105.40/x
  3. Step 3: Cross multiply
    111,124,679.80x = 166,687,019.70 × 104,889,105.40
  4. Step 4: Simplify right side
    111,124,679.80x = 17,483,652,378,125,176
  5. Step 5: Solve for x
    x = 17,483,652,378,125,176/111,124,679.80
  6. Step 6: Final answer
    x = 157,333,658.10

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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.