Home / 125,648,469.30-188,490,418.65-39,377,880.30

Finding the Fourth Proportional to 125,648,469.30, 188,490,418.65 and 39,377,880.30

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Solution

The fourth proportional to 125,648,469.30, 188,490,418.65 and 39,377,880.30 is: 59,072,372.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,648,469.30 : 188,490,418.65 = 39,377,880.30 : x
  2. Step 2: Convert to fraction form
    125,648,469.30/188,490,418.65 = 39,377,880.30/x
  3. Step 3: Cross multiply
    125,648,469.30x = 188,490,418.65 × 39,377,880.30
  4. Step 4: Simplify right side
    125,648,469.30x = 7,422,353,143,296,587
  5. Step 5: Solve for x
    x = 7,422,353,143,296,587/125,648,469.30
  6. Step 6: Final answer
    x = 59,072,372.19

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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.