Home / 74,666,880.70-111,911,847.45-31,536,000.70

Finding the Fourth Proportional to 74,666,880.70, 111,911,847.45 and 31,536,000.70

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Solution

The fourth proportional to 74,666,880.70, 111,911,847.45 and 31,536,000.70 is: 47,266,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,666,880.70 : 111,911,847.45 = 31,536,000.70 : x
  2. Step 2: Convert to fraction form
    74,666,880.70/111,911,847.45 = 31,536,000.70/x
  3. Step 3: Cross multiply
    74,666,880.70x = 111,911,847.45 × 31,536,000.70
  4. Step 4: Simplify right side
    74,666,880.70x = 3,529,252,099,521,493
  5. Step 5: Solve for x
    x = 3,529,252,099,521,493/74,666,880.70
  6. Step 6: Final answer
    x = 47,266,633.70

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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.