Home / 219,042,643.76-302,282,427.96-119,921,737.52

Finding the Fourth Proportional to 219,042,643.76, 302,282,427.96 and 119,921,737.52

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Solution

The fourth proportional to 219,042,643.76, 302,282,427.96 and 119,921,737.52 is: 165,493,957.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,042,643.76 : 302,282,427.96 = 119,921,737.52 : x
  2. Step 2: Convert to fraction form
    219,042,643.76/302,282,427.96 = 119,921,737.52/x
  3. Step 3: Cross multiply
    219,042,643.76x = 302,282,427.96 × 119,921,737.52
  4. Step 4: Simplify right side
    219,042,643.76x = 36,250,233,982,727,424
  5. Step 5: Solve for x
    x = 36,250,233,982,727,424/219,042,643.76
  6. Step 6: Final answer
    x = 165,493,957.53

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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.