Home / 75,128,774.58-112,531,192.56-50,733,555.03

Finding the Fourth Proportional to 75,128,774.58, 112,531,192.56 and 50,733,555.03

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Solution

The fourth proportional to 75,128,774.58, 112,531,192.56 and 50,733,555.03 is: 75,990,956.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,128,774.58 : 112,531,192.56 = 50,733,555.03 : x
  2. Step 2: Convert to fraction form
    75,128,774.58/112,531,192.56 = 50,733,555.03/x
  3. Step 3: Cross multiply
    75,128,774.58x = 112,531,192.56 × 50,733,555.03
  4. Step 4: Simplify right side
    75,128,774.58x = 5,709,107,450,334,287
  5. Step 5: Solve for x
    x = 5,709,107,450,334,287/75,128,774.58
  6. Step 6: Final answer
    x = 75,990,956.62

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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.