Home / 154,885,564.20-232,328,346.30-86,010,810.60

Finding the Fourth Proportional to 154,885,564.20, 232,328,346.30 and 86,010,810.60

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Solution

The fourth proportional to 154,885,564.20, 232,328,346.30 and 86,010,810.60 is: 129,016,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,885,564.20 : 232,328,346.30 = 86,010,810.60 : x
  2. Step 2: Convert to fraction form
    154,885,564.20/232,328,346.30 = 86,010,810.60/x
  3. Step 3: Cross multiply
    154,885,564.20x = 232,328,346.30 × 86,010,810.60
  4. Step 4: Simplify right side
    154,885,564.20x = 19,982,749,390,620,512
  5. Step 5: Solve for x
    x = 19,982,749,390,620,512/154,885,564.20
  6. Step 6: Final answer
    x = 129,016,215.90

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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.