Home / 83,477,890.53-125,217,642.22-31,648,554.79

Finding the Fourth Proportional to 83,477,890.53, 125,217,642.22 and 31,648,554.79

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Solution

The fourth proportional to 83,477,890.53, 125,217,642.22 and 31,648,554.79 is: 47,473,137.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,477,890.53 : 125,217,642.22 = 31,648,554.79 : x
  2. Step 2: Convert to fraction form
    83,477,890.53/125,217,642.22 = 31,648,554.79/x
  3. Step 3: Cross multiply
    83,477,890.53x = 125,217,642.22 × 31,648,554.79
  4. Step 4: Simplify right side
    83,477,890.53x = 3,962,957,410,082,122
  5. Step 5: Solve for x
    x = 3,962,957,410,082,122/83,477,890.53
  6. Step 6: Final answer
    x = 47,473,137.92

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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.