Home / 77,099,010.30-115,648,515.45-73,697,787.90

Finding the Fourth Proportional to 77,099,010.30, 115,648,515.45 and 73,697,787.90

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Solution

The fourth proportional to 77,099,010.30, 115,648,515.45 and 73,697,787.90 is: 110,546,681.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,099,010.30 : 115,648,515.45 = 73,697,787.90 : x
  2. Step 2: Convert to fraction form
    77,099,010.30/115,648,515.45 = 73,697,787.90/x
  3. Step 3: Cross multiply
    77,099,010.30x = 115,648,515.45 × 73,697,787.90
  4. Step 4: Simplify right side
    77,099,010.30x = 8,523,039,762,583,974
  5. Step 5: Solve for x
    x = 8,523,039,762,583,974/77,099,010.30
  6. Step 6: Final answer
    x = 110,546,681.85

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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.