Home / 148,253,635.52-204,597,568.32-85,506,398.96

Finding the Fourth Proportional to 148,253,635.52, 204,597,568.32 and 85,506,398.96

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Solution

The fourth proportional to 148,253,635.52, 204,597,568.32 and 85,506,398.96 is: 118,003,185.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,253,635.52 : 204,597,568.32 = 85,506,398.96 : x
  2. Step 2: Convert to fraction form
    148,253,635.52/204,597,568.32 = 85,506,398.96/x
  3. Step 3: Cross multiply
    148,253,635.52x = 204,597,568.32 × 85,506,398.96
  4. Step 4: Simplify right side
    148,253,635.52x = 17,494,401,303,015,774
  5. Step 5: Solve for x
    x = 17,494,401,303,015,774/148,253,635.52
  6. Step 6: Final answer
    x = 118,003,185.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.