Home / 110,975,999.40-166,463,999.10-90,804,018.60

Finding the Fourth Proportional to 110,975,999.40, 166,463,999.10 and 90,804,018.60

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Solution

The fourth proportional to 110,975,999.40, 166,463,999.10 and 90,804,018.60 is: 136,206,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,975,999.40 : 166,463,999.10 = 90,804,018.60 : x
  2. Step 2: Convert to fraction form
    110,975,999.40/166,463,999.10 = 90,804,018.60/x
  3. Step 3: Cross multiply
    110,975,999.40x = 166,463,999.10 × 90,804,018.60
  4. Step 4: Simplify right side
    110,975,999.40x = 15,115,600,070,506,782
  5. Step 5: Solve for x
    x = 15,115,600,070,506,782/110,975,999.40
  6. Step 6: Final answer
    x = 136,206,027.90

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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.