Home / 168,148,501.35-252,262,610.10-86,280,015.30

Finding the Fourth Proportional to 168,148,501.35, 252,262,610.10 and 86,280,015.30

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Solution

The fourth proportional to 168,148,501.35, 252,262,610.10 and 86,280,015.30 is: 129,440,474.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,148,501.35 : 252,262,610.10 = 86,280,015.30 : x
  2. Step 2: Convert to fraction form
    168,148,501.35/252,262,610.10 = 86,280,015.30/x
  3. Step 3: Cross multiply
    168,148,501.35x = 252,262,610.10 × 86,280,015.30
  4. Step 4: Simplify right side
    168,148,501.35x = 21,765,221,859,045,932
  5. Step 5: Solve for x
    x = 21,765,221,859,045,932/168,148,501.35
  6. Step 6: Final answer
    x = 129,440,474.84

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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.