Home / 123,586,611.40-185,167,340.70-80,433,602.20

Finding the Fourth Proportional to 123,586,611.40, 185,167,340.70 and 80,433,602.20

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Solution

The fourth proportional to 123,586,611.40, 185,167,340.70 and 80,433,602.20 is: 120,512,052.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,586,611.40 : 185,167,340.70 = 80,433,602.20 : x
  2. Step 2: Convert to fraction form
    123,586,611.40/185,167,340.70 = 80,433,602.20/x
  3. Step 3: Cross multiply
    123,586,611.40x = 185,167,340.70 × 80,433,602.20
  4. Step 4: Simplify right side
    123,586,611.40x = 14,893,676,222,295,670
  5. Step 5: Solve for x
    x = 14,893,676,222,295,670/123,586,611.40
  6. Step 6: Final answer
    x = 120,512,052.67

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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.