Home / 178,761,786.63-268,140,966.59-105,926,137.83

Finding the Fourth Proportional to 178,761,786.63, 268,140,966.59 and 105,926,137.83

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Solution

The fourth proportional to 178,761,786.63, 268,140,966.59 and 105,926,137.83 is: 158,888,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,761,786.63 : 268,140,966.59 = 105,926,137.83 : x
  2. Step 2: Convert to fraction form
    178,761,786.63/268,140,966.59 = 105,926,137.83/x
  3. Step 3: Cross multiply
    178,761,786.63x = 268,140,966.59 × 105,926,137.83
  4. Step 4: Simplify right side
    178,761,786.63x = 28,403,136,984,352,136
  5. Step 5: Solve for x
    x = 28,403,136,984,352,136/178,761,786.63
  6. Step 6: Final answer
    x = 158,888,191.49

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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.