Home / 130,161,664.64-179,622,600.08-71,425,311.68

Finding the Fourth Proportional to 130,161,664.64, 179,622,600.08 and 71,425,311.68

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Solution

The fourth proportional to 130,161,664.64, 179,622,600.08 and 71,425,311.68 is: 98,566,657.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,161,664.64 : 179,622,600.08 = 71,425,311.68 : x
  2. Step 2: Convert to fraction form
    130,161,664.64/179,622,600.08 = 71,425,311.68/x
  3. Step 3: Cross multiply
    130,161,664.64x = 179,622,600.08 × 71,425,311.68
  4. Step 4: Simplify right side
    130,161,664.64x = 12,829,600,195,485,996
  5. Step 5: Solve for x
    x = 12,829,600,195,485,996/130,161,664.64
  6. Step 6: Final answer
    x = 98,566,657.33

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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.