Home / 540,012,020.18-810,012,125.34-131,068,170.68

Finding the Fourth Proportional to 540,012,020.18, 810,012,125.34 and 131,068,170.68

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Solution

The fourth proportional to 540,012,020.18, 810,012,125.34 and 131,068,170.68 is: 196,600,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,012,020.18 : 810,012,125.34 = 131,068,170.68 : x
  2. Step 2: Convert to fraction form
    540,012,020.18/810,012,125.34 = 131,068,170.68/x
  3. Step 3: Cross multiply
    540,012,020.18x = 810,012,125.34 × 131,068,170.68
  4. Step 4: Simplify right side
    540,012,020.18x = 106,166,807,492,882,608
  5. Step 5: Solve for x
    x = 106,166,807,492,882,608/540,012,020.18
  6. Step 6: Final answer
    x = 196,600,822.81

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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.