Home / 179,149,370.40-268,724,055.60-76,896,007.20

Finding the Fourth Proportional to 179,149,370.40, 268,724,055.60 and 76,896,007.20

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Solution

The fourth proportional to 179,149,370.40, 268,724,055.60 and 76,896,007.20 is: 115,344,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,149,370.40 : 268,724,055.60 = 76,896,007.20 : x
  2. Step 2: Convert to fraction form
    179,149,370.40/268,724,055.60 = 76,896,007.20/x
  3. Step 3: Cross multiply
    179,149,370.40x = 268,724,055.60 × 76,896,007.20
  4. Step 4: Simplify right side
    179,149,370.40x = 20,663,806,914,230,804
  5. Step 5: Solve for x
    x = 20,663,806,914,230,804/179,149,370.40
  6. Step 6: Final answer
    x = 115,344,010.80

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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.