Home / 88,128,605.10-132,192,907.65-82,156,637.10

Finding the Fourth Proportional to 88,128,605.10, 132,192,907.65 and 82,156,637.10

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Solution

The fourth proportional to 88,128,605.10, 132,192,907.65 and 82,156,637.10 is: 123,234,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128,605.10 : 132,192,907.65 = 82,156,637.10 : x
  2. Step 2: Convert to fraction form
    88,128,605.10/132,192,907.65 = 82,156,637.10/x
  3. Step 3: Cross multiply
    88,128,605.10x = 132,192,907.65 × 82,156,637.10
  4. Step 4: Simplify right side
    88,128,605.10x = 10,860,524,740,994,864
  5. Step 5: Solve for x
    x = 10,860,524,740,994,864/88,128,605.10
  6. Step 6: Final answer
    x = 123,234,955.65

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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.