Home / 213,696,421.64-320,462,922.04-116,600,231.85

Finding the Fourth Proportional to 213,696,421.64, 320,462,922.04 and 116,600,231.85

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Solution

The fourth proportional to 213,696,421.64, 320,462,922.04 and 116,600,231.85 is: 174,855,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,696,421.64 : 320,462,922.04 = 116,600,231.85 : x
  2. Step 2: Convert to fraction form
    213,696,421.64/320,462,922.04 = 116,600,231.85/x
  3. Step 3: Cross multiply
    213,696,421.64x = 320,462,922.04 × 116,600,231.85
  4. Step 4: Simplify right side
    213,696,421.64x = 37,366,051,009,192,472
  5. Step 5: Solve for x
    x = 37,366,051,009,192,472/213,696,421.64
  6. Step 6: Final answer
    x = 174,855,763.72

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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.