Home / 198,156,905.04-297,117,620.38-75,344,203.24

Finding the Fourth Proportional to 198,156,905.04, 297,117,620.38 and 75,344,203.24

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Solution

The fourth proportional to 198,156,905.04, 297,117,620.38 and 75,344,203.24 is: 112,971,538.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,156,905.04 : 297,117,620.38 = 75,344,203.24 : x
  2. Step 2: Convert to fraction form
    198,156,905.04/297,117,620.38 = 75,344,203.24/x
  3. Step 3: Cross multiply
    198,156,905.04x = 297,117,620.38 × 75,344,203.24
  4. Step 4: Simplify right side
    198,156,905.04x = 22,386,090,376,095,884
  5. Step 5: Solve for x
    x = 22,386,090,376,095,884/198,156,905.04
  6. Step 6: Final answer
    x = 112,971,538.24

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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.