Home / 128,130,495.64-192,220,471.20-41,845,705.72

Finding the Fourth Proportional to 128,130,495.64, 192,220,471.20 and 41,845,705.72

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Solution

The fourth proportional to 128,130,495.64, 192,220,471.20 and 41,845,705.72 is: 62,776,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,130,495.64 : 192,220,471.20 = 41,845,705.72 : x
  2. Step 2: Convert to fraction form
    128,130,495.64/192,220,471.20 = 41,845,705.72/x
  3. Step 3: Cross multiply
    128,130,495.64x = 192,220,471.20 × 41,845,705.72
  4. Step 4: Simplify right side
    128,130,495.64x = 8,043,601,271,194,935
  5. Step 5: Solve for x
    x = 8,043,601,271,194,935/128,130,495.64
  6. Step 6: Final answer
    x = 62,776,634.33

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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.