Home / 181,446,009.30-272,169,013.95-66,392,313.30

Finding the Fourth Proportional to 181,446,009.30, 272,169,013.95 and 66,392,313.30

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Solution

The fourth proportional to 181,446,009.30, 272,169,013.95 and 66,392,313.30 is: 99,588,469.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,446,009.30 : 272,169,013.95 = 66,392,313.30 : x
  2. Step 2: Convert to fraction form
    181,446,009.30/272,169,013.95 = 66,392,313.30/x
  3. Step 3: Cross multiply
    181,446,009.30x = 272,169,013.95 × 66,392,313.30
  4. Step 4: Simplify right side
    181,446,009.30x = 18,069,930,444,720,468
  5. Step 5: Solve for x
    x = 18,069,930,444,720,468/181,446,009.30
  6. Step 6: Final answer
    x = 99,588,469.95

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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.