Home / 119,718,020.49-179,490,806.39-73,564,518.38

Finding the Fourth Proportional to 119,718,020.49, 179,490,806.39 and 73,564,518.38

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Solution

The fourth proportional to 119,718,020.49, 179,490,806.39 and 73,564,518.38 is: 110,293,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,718,020.49 : 179,490,806.39 = 73,564,518.38 : x
  2. Step 2: Convert to fraction form
    119,718,020.49/179,490,806.39 = 73,564,518.38/x
  3. Step 3: Cross multiply
    119,718,020.49x = 179,490,806.39 × 73,564,518.38
  4. Step 4: Simplify right side
    119,718,020.49x = 13,204,154,724,452,900
  5. Step 5: Solve for x
    x = 13,204,154,724,452,900/119,718,020.49
  6. Step 6: Final answer
    x = 110,293,794.29

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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.