Home / 219,405,717.86-302,779,817.77-120,284,337.08

Finding the Fourth Proportional to 219,405,717.86, 302,779,817.77 and 120,284,337.08

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Solution

The fourth proportional to 219,405,717.86, 302,779,817.77 and 120,284,337.08 is: 165,992,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,405,717.86 : 302,779,817.77 = 120,284,337.08 : x
  2. Step 2: Convert to fraction form
    219,405,717.86/302,779,817.77 = 120,284,337.08/x
  3. Step 3: Cross multiply
    219,405,717.86x = 302,779,817.77 × 120,284,337.08
  4. Step 4: Simplify right side
    219,405,717.86x = 36,419,669,661,837,208
  5. Step 5: Solve for x
    x = 36,419,669,661,837,208/219,405,717.86
  6. Step 6: Final answer
    x = 165,992,345.22

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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.