Home / 219,042,645.76-302,282,430.72-119,921,739.52

Finding the Fourth Proportional to 219,042,645.76, 302,282,430.72 and 119,921,739.52

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Solution

The fourth proportional to 219,042,645.76, 302,282,430.72 and 119,921,739.52 is: 165,493,960.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,042,645.76 : 302,282,430.72 = 119,921,739.52 : x
  2. Step 2: Convert to fraction form
    219,042,645.76/302,282,430.72 = 119,921,739.52/x
  3. Step 3: Cross multiply
    219,042,645.76x = 302,282,430.72 × 119,921,739.52
  4. Step 4: Simplify right side
    219,042,645.76x = 36,250,234,918,276,288
  5. Step 5: Solve for x
    x = 36,250,234,918,276,288/219,042,645.76
  6. Step 6: Final answer
    x = 165,493,960.29

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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.