Home / 128,262,093.37-192,390,444.57-31,218,342.37

Finding the Fourth Proportional to 128,262,093.37, 192,390,444.57 and 31,218,342.37

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Solution

The fourth proportional to 128,262,093.37, 192,390,444.57 and 31,218,342.37 is: 46,826,857.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,262,093.37 : 192,390,444.57 = 31,218,342.37 : x
  2. Step 2: Convert to fraction form
    128,262,093.37/192,390,444.57 = 31,218,342.37/x
  3. Step 3: Cross multiply
    128,262,093.37x = 192,390,444.57 × 31,218,342.37
  4. Step 4: Simplify right side
    128,262,093.37x = 6,006,110,767,302,767
  5. Step 5: Solve for x
    x = 6,006,110,767,302,767/128,262,093.37
  6. Step 6: Final answer
    x = 46,826,857.49

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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.