Home / 134,730,165.88-185,930,050.34-79,015,770.54

Finding the Fourth Proportional to 134,730,165.88, 185,930,050.34 and 79,015,770.54

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Solution

The fourth proportional to 134,730,165.88, 185,930,050.34 and 79,015,770.54 is: 109,043,183.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,730,165.88 : 185,930,050.34 = 79,015,770.54 : x
  2. Step 2: Convert to fraction form
    134,730,165.88/185,930,050.34 = 79,015,770.54/x
  3. Step 3: Cross multiply
    134,730,165.88x = 185,930,050.34 × 79,015,770.54
  4. Step 4: Simplify right side
    134,730,165.88x = 14,691,406,194,156,090
  5. Step 5: Solve for x
    x = 14,691,406,194,156,090/134,730,165.88
  6. Step 6: Final answer
    x = 109,043,183.45

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Why These Related Problems?

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