Home / 101,223,119.40-151,834,679.10-74,150,197.80

Finding the Fourth Proportional to 101,223,119.40, 151,834,679.10 and 74,150,197.80

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Solution

The fourth proportional to 101,223,119.40, 151,834,679.10 and 74,150,197.80 is: 111,225,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,223,119.40 : 151,834,679.10 = 74,150,197.80 : x
  2. Step 2: Convert to fraction form
    101,223,119.40/151,834,679.10 = 74,150,197.80/x
  3. Step 3: Cross multiply
    101,223,119.40x = 151,834,679.10 × 74,150,197.80
  4. Step 4: Simplify right side
    101,223,119.40x = 11,258,571,488,164,526
  5. Step 5: Solve for x
    x = 11,258,571,488,164,526/101,223,119.40
  6. Step 6: Final answer
    x = 111,225,296.70

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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.