Home / 132,129,592.34-198,196,381.71-45,870,739.63

Finding the Fourth Proportional to 132,129,592.34, 198,196,381.71 and 45,870,739.63

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Solution

The fourth proportional to 132,129,592.34, 198,196,381.71 and 45,870,739.63 is: 68,806,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,129,592.34 : 198,196,381.71 = 45,870,739.63 : x
  2. Step 2: Convert to fraction form
    132,129,592.34/198,196,381.71 = 45,870,739.63/x
  3. Step 3: Cross multiply
    132,129,592.34x = 198,196,381.71 × 45,870,739.63
  4. Step 4: Simplify right side
    132,129,592.34x = 9,091,414,620,532,014
  5. Step 5: Solve for x
    x = 9,091,414,620,532,014/132,129,592.34
  6. Step 6: Final answer
    x = 68,806,801.41

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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.