Home / 128,010,178.66-191,937,511.88-50,193,852.98

Finding the Fourth Proportional to 128,010,178.66, 191,937,511.88 and 50,193,852.98

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Solution

The fourth proportional to 128,010,178.66, 191,937,511.88 and 50,193,852.98 is: 75,260,290.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,010,178.66 : 191,937,511.88 = 50,193,852.98 : x
  2. Step 2: Convert to fraction form
    128,010,178.66/191,937,511.88 = 50,193,852.98/x
  3. Step 3: Cross multiply
    128,010,178.66x = 191,937,511.88 × 50,193,852.98
  4. Step 4: Simplify right side
    128,010,178.66x = 9,634,083,252,297,364
  5. Step 5: Solve for x
    x = 9,634,083,252,297,364/128,010,178.66
  6. Step 6: Final answer
    x = 75,260,290.65

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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.