Home / 198,685,064.32-298,054,862.04-67,492,118.19

Finding the Fourth Proportional to 198,685,064.32, 298,054,862.04 and 67,492,118.19

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Solution

The fourth proportional to 198,685,064.32, 298,054,862.04 and 67,492,118.19 is: 101,247,439.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,685,064.32 : 298,054,862.04 = 67,492,118.19 : x
  2. Step 2: Convert to fraction form
    198,685,064.32/298,054,862.04 = 67,492,118.19/x
  3. Step 3: Cross multiply
    198,685,064.32x = 298,054,862.04 × 67,492,118.19
  4. Step 4: Simplify right side
    198,685,064.32x = 20,116,353,975,927,616
  5. Step 5: Solve for x
    x = 20,116,353,975,927,616/198,685,064.32
  6. Step 6: Final answer
    x = 101,247,439.23

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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.