Home / 47,507,911.40-65,561,679.78-25,777,879.40

Finding the Fourth Proportional to 47,507,911.40, 65,561,679.78 and 25,777,879.40

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Solution

The fourth proportional to 47,507,911.40, 65,561,679.78 and 25,777,879.40 is: 35,573,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,507,911.40 : 65,561,679.78 = 25,777,879.40 : x
  2. Step 2: Convert to fraction form
    47,507,911.40/65,561,679.78 = 25,777,879.40/x
  3. Step 3: Cross multiply
    47,507,911.40x = 65,561,679.78 × 25,777,879.40
  4. Step 4: Simplify right side
    47,507,911.40x = 1,690,041,074,630,258.50
  5. Step 5: Solve for x
    x = 1,690,041,074,630,258.50/47,507,911.40
  6. Step 6: Final answer
    x = 35,573,887.06

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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.