Home / 137,787,201-206,648,151.48-39,415,874.58

Finding the Fourth Proportional to 137,787,201, 206,648,151.48 and 39,415,874.58

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Solution

The fourth proportional to 137,787,201, 206,648,151.48 and 39,415,874.58 is: 59,114,471.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,787,201 : 206,648,151.48 = 39,415,874.58 : x
  2. Step 2: Convert to fraction form
    137,787,201/206,648,151.48 = 39,415,874.58/x
  3. Step 3: Cross multiply
    137,787,201x = 206,648,151.48 × 39,415,874.58
  4. Step 4: Simplify right side
    137,787,201x = 8,145,217,620,924,521
  5. Step 5: Solve for x
    x = 8,145,217,620,924,521/137,787,201
  6. Step 6: Final answer
    x = 59,114,471.89

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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.