Home / 87,139,598.80-130,714,313.40-26,557,301.20

Finding the Fourth Proportional to 87,139,598.80, 130,714,313.40 and 26,557,301.20

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Solution

The fourth proportional to 87,139,598.80, 130,714,313.40 and 26,557,301.20 is: 39,837,449.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,139,598.80 : 130,714,313.40 = 26,557,301.20 : x
  2. Step 2: Convert to fraction form
    87,139,598.80/130,714,313.40 = 26,557,301.20/x
  3. Step 3: Cross multiply
    87,139,598.80x = 130,714,313.40 × 26,557,301.20
  4. Step 4: Simplify right side
    87,139,598.80x = 3,471,419,392,114,996
  5. Step 5: Solve for x
    x = 3,471,419,392,114,996/87,139,598.80
  6. Step 6: Final answer
    x = 39,837,449.79

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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.