Home / 135,900,543.42-203,849,512.44-80,528,519.76

Finding the Fourth Proportional to 135,900,543.42, 203,849,512.44 and 80,528,519.76

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Solution

The fourth proportional to 135,900,543.42, 203,849,512.44 and 80,528,519.76 is: 120,792,007.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,900,543.42 : 203,849,512.44 = 80,528,519.76 : x
  2. Step 2: Convert to fraction form
    135,900,543.42/203,849,512.44 = 80,528,519.76/x
  3. Step 3: Cross multiply
    135,900,543.42x = 203,849,512.44 × 80,528,519.76
  4. Step 4: Simplify right side
    135,900,543.42x = 16,415,699,490,590,906
  5. Step 5: Solve for x
    x = 16,415,699,490,590,906/135,900,543.42
  6. Step 6: Final answer
    x = 120,792,007.72

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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.