Home / 130,108,617.12-179,548,216.52-74,353,399.06

Finding the Fourth Proportional to 130,108,617.12, 179,548,216.52 and 74,353,399.06

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Solution

The fourth proportional to 130,108,617.12, 179,548,216.52 and 74,353,399.06 is: 102,606,733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,108,617.12 : 179,548,216.52 = 74,353,399.06 : x
  2. Step 2: Convert to fraction form
    130,108,617.12/179,548,216.52 = 74,353,399.06/x
  3. Step 3: Cross multiply
    130,108,617.12x = 179,548,216.52 × 74,353,399.06
  4. Step 4: Simplify right side
    130,108,617.12x = 13,350,020,193,422,846
  5. Step 5: Solve for x
    x = 13,350,020,193,422,846/130,108,617.12
  6. Step 6: Final answer
    x = 102,606,733.43

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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.