Home / 198,227,935.60-297,341,903.40-147,209,599.60

Finding the Fourth Proportional to 198,227,935.60, 297,341,903.40 and 147,209,599.60

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Solution

The fourth proportional to 198,227,935.60, 297,341,903.40 and 147,209,599.60 is: 220,814,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,227,935.60 : 297,341,903.40 = 147,209,599.60 : x
  2. Step 2: Convert to fraction form
    198,227,935.60/297,341,903.40 = 147,209,599.60/x
  3. Step 3: Cross multiply
    198,227,935.60x = 297,341,903.40 × 147,209,599.60
  4. Step 4: Simplify right side
    198,227,935.60x = 43,771,582,543,815,872
  5. Step 5: Solve for x
    x = 43,771,582,543,815,872/198,227,935.60
  6. Step 6: Final answer
    x = 220,814,399.40

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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.