Home / 111,104,579.34-153,377,485.20-73,996,613.10

Finding the Fourth Proportional to 111,104,579.34, 153,377,485.20 and 73,996,613.10

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Solution

The fourth proportional to 111,104,579.34, 153,377,485.20 and 73,996,613.10 is: 102,150,734.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,104,579.34 : 153,377,485.20 = 73,996,613.10 : x
  2. Step 2: Convert to fraction form
    111,104,579.34/153,377,485.20 = 73,996,613.10/x
  3. Step 3: Cross multiply
    111,104,579.34x = 153,377,485.20 × 73,996,613.10
  4. Step 4: Simplify right side
    111,104,579.34x = 11,349,414,430,595,374
  5. Step 5: Solve for x
    x = 11,349,414,430,595,374/111,104,579.34
  6. Step 6: Final answer
    x = 102,150,734.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.