Home / 154,371,316.92-213,004,626.91-87,389,823.70

Finding the Fourth Proportional to 154,371,316.92, 213,004,626.91 and 87,389,823.70

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Solution

The fourth proportional to 154,371,316.92, 213,004,626.91 and 87,389,823.70 is: 120,582,224.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,371,316.92 : 213,004,626.91 = 87,389,823.70 : x
  2. Step 2: Convert to fraction form
    154,371,316.92/213,004,626.91 = 87,389,823.70/x
  3. Step 3: Cross multiply
    154,371,316.92x = 213,004,626.91 × 87,389,823.70
  4. Step 4: Simplify right side
    154,371,316.92x = 18,614,436,792,949,176
  5. Step 5: Solve for x
    x = 18,614,436,792,949,176/154,371,316.92
  6. Step 6: Final answer
    x = 120,582,224.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.