Home / 135,642,666.30-203,463,999.45-129,407,091.90

Finding the Fourth Proportional to 135,642,666.30, 203,463,999.45 and 129,407,091.90

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Solution

The fourth proportional to 135,642,666.30, 203,463,999.45 and 129,407,091.90 is: 194,110,637.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,642,666.30 : 203,463,999.45 = 129,407,091.90 : x
  2. Step 2: Convert to fraction form
    135,642,666.30/203,463,999.45 = 129,407,091.90/x
  3. Step 3: Cross multiply
    135,642,666.30x = 203,463,999.45 × 129,407,091.90
  4. Step 4: Simplify right side
    135,642,666.30x = 26,329,684,475,167,700
  5. Step 5: Solve for x
    x = 26,329,684,475,167,700/135,642,666.30
  6. Step 6: Final answer
    x = 194,110,637.85

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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.