Home / 178,761,788.13-268,140,968.84-105,926,139.33

Finding the Fourth Proportional to 178,761,788.13, 268,140,968.84 and 105,926,139.33

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Solution

The fourth proportional to 178,761,788.13, 268,140,968.84 and 105,926,139.33 is: 158,888,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,761,788.13 : 268,140,968.84 = 105,926,139.33 : x
  2. Step 2: Convert to fraction form
    178,761,788.13/268,140,968.84 = 105,926,139.33/x
  3. Step 3: Cross multiply
    178,761,788.13x = 268,140,968.84 × 105,926,139.33
  4. Step 4: Simplify right side
    178,761,788.13x = 28,403,137,624,897,400
  5. Step 5: Solve for x
    x = 28,403,137,624,897,400/178,761,788.13
  6. Step 6: Final answer
    x = 158,888,193.74

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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.