Home / 137,515,808.63-189,775,406.10-75,637,771.04

Finding the Fourth Proportional to 137,515,808.63, 189,775,406.10 and 75,637,771.04

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Solution

The fourth proportional to 137,515,808.63, 189,775,406.10 and 75,637,771.04 is: 104,382,098.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,515,808.63 : 189,775,406.10 = 75,637,771.04 : x
  2. Step 2: Convert to fraction form
    137,515,808.63/189,775,406.10 = 75,637,771.04/x
  3. Step 3: Cross multiply
    137,515,808.63x = 189,775,406.10 × 75,637,771.04
  4. Step 4: Simplify right side
    137,515,808.63x = 14,354,188,714,665,942
  5. Step 5: Solve for x
    x = 14,354,188,714,665,942/137,515,808.63
  6. Step 6: Final answer
    x = 104,382,098.74

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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.