Home / 245,120,477.52-338,074,898.88-157,022,666.42

Finding the Fourth Proportional to 245,120,477.52, 338,074,898.88 and 157,022,666.42

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Solution

The fourth proportional to 245,120,477.52, 338,074,898.88 and 157,022,666.42 is: 216,568,695.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,120,477.52 : 338,074,898.88 = 157,022,666.42 : x
  2. Step 2: Convert to fraction form
    245,120,477.52/338,074,898.88 = 157,022,666.42/x
  3. Step 3: Cross multiply
    245,120,477.52x = 338,074,898.88 × 157,022,666.42
  4. Step 4: Simplify right side
    245,120,477.52x = 53,085,422,070,119,096
  5. Step 5: Solve for x
    x = 53,085,422,070,119,096/245,120,477.52
  6. Step 6: Final answer
    x = 216,568,695.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.