Home / 154,885,570.20-232,328,355.30-86,010,816.60

Finding the Fourth Proportional to 154,885,570.20, 232,328,355.30 and 86,010,816.60

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Solution

The fourth proportional to 154,885,570.20, 232,328,355.30 and 86,010,816.60 is: 129,016,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,885,570.20 : 232,328,355.30 = 86,010,816.60 : x
  2. Step 2: Convert to fraction form
    154,885,570.20/232,328,355.30 = 86,010,816.60/x
  3. Step 3: Cross multiply
    154,885,570.20x = 232,328,355.30 × 86,010,816.60
  4. Step 4: Simplify right side
    154,885,570.20x = 19,982,751,558,687,936
  5. Step 5: Solve for x
    x = 19,982,751,558,687,936/154,885,570.20
  6. Step 6: Final answer
    x = 129,016,224.90

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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.