Home / 87,377,782.05-120,626,675.21-63,829,880.62

Finding the Fourth Proportional to 87,377,782.05, 120,626,675.21 and 63,829,880.62

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Solution

The fourth proportional to 87,377,782.05, 120,626,675.21 and 63,829,880.62 is: 88,118,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,377,782.05 : 120,626,675.21 = 63,829,880.62 : x
  2. Step 2: Convert to fraction form
    87,377,782.05/120,626,675.21 = 63,829,880.62/x
  3. Step 3: Cross multiply
    87,377,782.05x = 120,626,675.21 × 63,829,880.62
  4. Step 4: Simplify right side
    87,377,782.05x = 7,699,586,278,099,822
  5. Step 5: Solve for x
    x = 7,699,586,278,099,822/87,377,782.05
  6. Step 6: Final answer
    x = 88,118,353.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.