Home / 198,549,008.10-297,823,512.15-147,530,672.10

Finding the Fourth Proportional to 198,549,008.10, 297,823,512.15 and 147,530,672.10

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Solution

The fourth proportional to 198,549,008.10, 297,823,512.15 and 147,530,672.10 is: 221,296,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,549,008.10 : 297,823,512.15 = 147,530,672.10 : x
  2. Step 2: Convert to fraction form
    198,549,008.10/297,823,512.15 = 147,530,672.10/x
  3. Step 3: Cross multiply
    198,549,008.10x = 297,823,512.15 × 147,530,672.10
  4. Step 4: Simplify right side
    198,549,008.10x = 43,938,102,914,672,008
  5. Step 5: Solve for x
    x = 43,938,102,914,672,008/198,549,008.10
  6. Step 6: Final answer
    x = 221,296,008.15

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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.