Home / 198,427,402.28-297,621,858.98-60,254,205.96

Finding the Fourth Proportional to 198,427,402.28, 297,621,858.98 and 60,254,205.96

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Solution

The fourth proportional to 198,427,402.28, 297,621,858.98 and 60,254,205.96 is: 90,375,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,427,402.28 : 297,621,858.98 = 60,254,205.96 : x
  2. Step 2: Convert to fraction form
    198,427,402.28/297,621,858.98 = 60,254,205.96/x
  3. Step 3: Cross multiply
    198,427,402.28x = 297,621,858.98 × 60,254,205.96
  4. Step 4: Simplify right side
    198,427,402.28x = 17,932,968,789,178,996
  5. Step 5: Solve for x
    x = 17,932,968,789,178,996/198,427,402.28
  6. Step 6: Final answer
    x = 90,375,465.20

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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.