Home / 198,718,322.01-298,121,939.96-60,554,742.35

Finding the Fourth Proportional to 198,718,322.01, 298,121,939.96 and 60,554,742.35

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Solution

The fourth proportional to 198,718,322.01, 298,121,939.96 and 60,554,742.35 is: 90,845,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,718,322.01 : 298,121,939.96 = 60,554,742.35 : x
  2. Step 2: Convert to fraction form
    198,718,322.01/298,121,939.96 = 60,554,742.35/x
  3. Step 3: Cross multiply
    198,718,322.01x = 298,121,939.96 × 60,554,742.35
  4. Step 4: Simplify right side
    198,718,322.01x = 18,052,697,263,159,968
  5. Step 5: Solve for x
    x = 18,052,697,263,159,968/198,718,322.01
  6. Step 6: Final answer
    x = 90,845,660.74

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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.