Home / 80,154,082.12-110,612,847.70-43,484,653.12

Finding the Fourth Proportional to 80,154,082.12, 110,612,847.70 and 43,484,653.12

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Solution

The fourth proportional to 80,154,082.12, 110,612,847.70 and 43,484,653.12 is: 60,008,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,154,082.12 : 110,612,847.70 = 43,484,653.12 : x
  2. Step 2: Convert to fraction form
    80,154,082.12/110,612,847.70 = 43,484,653.12/x
  3. Step 3: Cross multiply
    80,154,082.12x = 110,612,847.70 × 43,484,653.12
  4. Step 4: Simplify right side
    80,154,082.12x = 4,809,961,312,849,890
  5. Step 5: Solve for x
    x = 4,809,961,312,849,890/80,154,082.12
  6. Step 6: Final answer
    x = 60,008,937.61

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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.