Home / 165,429,790.80-248,154,017.40-50,418,085.20

Finding the Fourth Proportional to 165,429,790.80, 248,154,017.40 and 50,418,085.20

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Solution

The fourth proportional to 165,429,790.80, 248,154,017.40 and 50,418,085.20 is: 75,629,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,429,790.80 : 248,154,017.40 = 50,418,085.20 : x
  2. Step 2: Convert to fraction form
    165,429,790.80/248,154,017.40 = 50,418,085.20/x
  3. Step 3: Cross multiply
    165,429,790.80x = 248,154,017.40 × 50,418,085.20
  4. Step 4: Simplify right side
    165,429,790.80x = 12,511,450,391,995,484
  5. Step 5: Solve for x
    x = 12,511,450,391,995,484/165,429,790.80
  6. Step 6: Final answer
    x = 75,629,971.67

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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.