Home / 111,816,279.40-167,624,691.90-43,643,115.40

Finding the Fourth Proportional to 111,816,279.40, 167,624,691.90 and 43,643,115.40

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Solution

The fourth proportional to 111,816,279.40, 167,624,691.90 and 43,643,115.40 is: 65,425,748.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,816,279.40 : 167,624,691.90 = 43,643,115.40 : x
  2. Step 2: Convert to fraction form
    111,816,279.40/167,624,691.90 = 43,643,115.40/x
  3. Step 3: Cross multiply
    111,816,279.40x = 167,624,691.90 × 43,643,115.40
  4. Step 4: Simplify right side
    111,816,279.40x = 7,315,663,772,481,145
  5. Step 5: Solve for x
    x = 7,315,663,772,481,145/111,816,279.40
  6. Step 6: Final answer
    x = 65,425,748.48

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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.