Home / 128,828,190.30-179,976,828.90-128,828,190.30

Finding the Fourth Proportional to 128,828,190.30, 179,976,828.90 and 128,828,190.30

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Solution

The fourth proportional to 128,828,190.30, 179,976,828.90 and 128,828,190.30 is: 179,976,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,828,190.30 : 179,976,828.90 = 128,828,190.30 : x
  2. Step 2: Convert to fraction form
    128,828,190.30/179,976,828.90 = 128,828,190.30/x
  3. Step 3: Cross multiply
    128,828,190.30x = 179,976,828.90 × 128,828,190.30
  4. Step 4: Simplify right side
    128,828,190.30x = 23,186,089,163,119,740
  5. Step 5: Solve for x
    x = 23,186,089,163,119,740/128,828,190.30
  6. Step 6: Final answer
    x = 179,976,828.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.