Home / 220,302,451,824.96-330,521,118,161.04-112,812,829,684.32

Finding the Fourth Proportional to 220,302,451,824.96, 330,521,118,161.04 and 112,812,829,684.32

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Solution

The fourth proportional to 220,302,451,824.96, 330,521,118,161.04 and 112,812,829,684.32 is: 169,253,779,525.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,302,451,824.96 : 330,521,118,161.04 = 112,812,829,684.32 : x
  2. Step 2: Convert to fraction form
    220,302,451,824.96/330,521,118,161.04 = 112,812,829,684.32/x
  3. Step 3: Cross multiply
    220,302,451,824.96x = 330,521,118,161.04 × 112,812,829,684.32
  4. Step 4: Simplify right side
    220,302,451,824.96x = 37,287,022,610,172,413,476,864
  5. Step 5: Solve for x
    x = 37,287,022,610,172,413,476,864/220,302,451,824.96
  6. Step 6: Final answer
    x = 169,253,779,525.79

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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.