Home / 302,010,078.90-452,679,195.15-165,793,221.30

Finding the Fourth Proportional to 302,010,078.90, 452,679,195.15 and 165,793,221.30

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Solution

The fourth proportional to 302,010,078.90, 452,679,195.15 and 165,793,221.30 is: 248,505,421.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,010,078.90 : 452,679,195.15 = 165,793,221.30 : x
  2. Step 2: Convert to fraction form
    302,010,078.90/452,679,195.15 = 165,793,221.30/x
  3. Step 3: Cross multiply
    302,010,078.90x = 452,679,195.15 × 165,793,221.30
  4. Step 4: Simplify right side
    302,010,078.90x = 75,051,141,979,409,840
  5. Step 5: Solve for x
    x = 75,051,141,979,409,840/302,010,078.90
  6. Step 6: Final answer
    x = 248,505,421.58

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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.