Home / 103,438,372.80-155,195,393.31-48,132,584.67

Finding the Fourth Proportional to 103,438,372.80, 155,195,393.31 and 48,132,584.67

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Solution

The fourth proportional to 103,438,372.80, 155,195,393.31 and 48,132,584.67 is: 72,216,482.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,438,372.80 : 155,195,393.31 = 48,132,584.67 : x
  2. Step 2: Convert to fraction form
    103,438,372.80/155,195,393.31 = 48,132,584.67/x
  3. Step 3: Cross multiply
    103,438,372.80x = 155,195,393.31 × 48,132,584.67
  4. Step 4: Simplify right side
    103,438,372.80x = 7,469,955,408,887,527
  5. Step 5: Solve for x
    x = 7,469,955,408,887,527/103,438,372.80
  6. Step 6: Final answer
    x = 72,216,482.21

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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.