Home / 76,021,620.72-114,032,428.88-35,068,943.28

Finding the Fourth Proportional to 76,021,620.72, 114,032,428.88 and 35,068,943.28

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Solution

The fourth proportional to 76,021,620.72, 114,032,428.88 and 35,068,943.28 is: 52,603,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,021,620.72 : 114,032,428.88 = 35,068,943.28 : x
  2. Step 2: Convert to fraction form
    76,021,620.72/114,032,428.88 = 35,068,943.28/x
  3. Step 3: Cross multiply
    76,021,620.72x = 114,032,428.88 × 35,068,943.28
  4. Step 4: Simplify right side
    76,021,620.72x = 3,998,996,780,473,354
  5. Step 5: Solve for x
    x = 3,998,996,780,473,354/76,021,620.72
  6. Step 6: Final answer
    x = 52,603,413.91

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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.