Home / 272,664,699.91-409,602,394.45-169,110,431.85

Finding the Fourth Proportional to 272,664,699.91, 409,602,394.45 and 169,110,431.85

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Solution

The fourth proportional to 272,664,699.91, 409,602,394.45 and 169,110,431.85 is: 254,041,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,664,699.91 : 409,602,394.45 = 169,110,431.85 : x
  2. Step 2: Convert to fraction form
    272,664,699.91/409,602,394.45 = 169,110,431.85/x
  3. Step 3: Cross multiply
    272,664,699.91x = 409,602,394.45 × 169,110,431.85
  4. Step 4: Simplify right side
    272,664,699.91x = 69,268,037,811,810,760
  5. Step 5: Solve for x
    x = 69,268,037,811,810,760/272,664,699.91
  6. Step 6: Final answer
    x = 254,041,090.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.