Home / 108,172,447.72-149,278,497.64-58,612,808.32

Finding the Fourth Proportional to 108,172,447.72, 149,278,497.64 and 58,612,808.32

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Solution

The fourth proportional to 108,172,447.72, 149,278,497.64 and 58,612,808.32 is: 80,885,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,172,447.72 : 149,278,497.64 = 58,612,808.32 : x
  2. Step 2: Convert to fraction form
    108,172,447.72/149,278,497.64 = 58,612,808.32/x
  3. Step 3: Cross multiply
    108,172,447.72x = 149,278,497.64 × 58,612,808.32
  4. Step 4: Simplify right side
    108,172,447.72x = 8,749,631,968,470,892
  5. Step 5: Solve for x
    x = 8,749,631,968,470,892/108,172,447.72
  6. Step 6: Final answer
    x = 80,885,957.13

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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.