Home / 169,947,128.92-253,953,230.12-127,605,793.36

Finding the Fourth Proportional to 169,947,128.92, 253,953,230.12 and 127,605,793.36

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Solution

The fourth proportional to 169,947,128.92, 253,953,230.12 and 127,605,793.36 is: 190,682,264.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,947,128.92 : 253,953,230.12 = 127,605,793.36 : x
  2. Step 2: Convert to fraction form
    169,947,128.92/253,953,230.12 = 127,605,793.36/x
  3. Step 3: Cross multiply
    169,947,128.92x = 253,953,230.12 × 127,605,793.36
  4. Step 4: Simplify right side
    169,947,128.92x = 32,405,903,405,797,248
  5. Step 5: Solve for x
    x = 32,405,903,405,797,248/169,947,128.92
  6. Step 6: Final answer
    x = 190,682,264.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.