Home / 108,172,473.21-149,278,532.58-58,612,833.81

Finding the Fourth Proportional to 108,172,473.21, 149,278,532.58 and 58,612,833.81

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Solution

The fourth proportional to 108,172,473.21, 149,278,532.58 and 58,612,833.81 is: 80,885,992.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,172,473.21 : 149,278,532.58 = 58,612,833.81 : x
  2. Step 2: Convert to fraction form
    108,172,473.21/149,278,532.58 = 58,612,833.81/x
  3. Step 3: Cross multiply
    108,172,473.21x = 149,278,532.58 × 58,612,833.81
  4. Step 4: Simplify right side
    108,172,473.21x = 8,749,637,821,512,212
  5. Step 5: Solve for x
    x = 8,749,637,821,512,212/108,172,473.21
  6. Step 6: Final answer
    x = 80,885,992.17

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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.