Home / 161,861,327.04-223,368,473.82-87,521,709.60

Finding the Fourth Proportional to 161,861,327.04, 223,368,473.82 and 87,521,709.60

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Solution

The fourth proportional to 161,861,327.04, 223,368,473.82 and 87,521,709.60 is: 120,779,874.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,861,327.04 : 223,368,473.82 = 87,521,709.60 : x
  2. Step 2: Convert to fraction form
    161,861,327.04/223,368,473.82 = 87,521,709.60/x
  3. Step 3: Cross multiply
    161,861,327.04x = 223,368,473.82 × 87,521,709.60
  4. Step 4: Simplify right side
    161,861,327.04x = 19,549,590,699,469,240
  5. Step 5: Solve for x
    x = 19,549,590,699,469,240/161,861,327.04
  6. Step 6: Final answer
    x = 120,779,874.09

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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.