Home / 231,983,642.34-320,128,820.73-127,555,500.42

Finding the Fourth Proportional to 231,983,642.34, 320,128,820.73 and 127,555,500.42

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Solution

The fourth proportional to 231,983,642.34, 320,128,820.73 and 127,555,500.42 is: 176,021,858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,983,642.34 : 320,128,820.73 = 127,555,500.42 : x
  2. Step 2: Convert to fraction form
    231,983,642.34/320,128,820.73 = 127,555,500.42/x
  3. Step 3: Cross multiply
    231,983,642.34x = 320,128,820.73 × 127,555,500.42
  4. Step 4: Simplify right side
    231,983,642.34x = 40,834,191,927,079,624
  5. Step 5: Solve for x
    x = 40,834,191,927,079,624/231,983,642.34
  6. Step 6: Final answer
    x = 176,021,858.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.