Home / 63,351,397.50-87,424,928.55-34,378,021.50

Finding the Fourth Proportional to 63,351,397.50, 87,424,928.55 and 34,378,021.50

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Solution

The fourth proportional to 63,351,397.50, 87,424,928.55 and 34,378,021.50 is: 47,441,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,351,397.50 : 87,424,928.55 = 34,378,021.50 : x
  2. Step 2: Convert to fraction form
    63,351,397.50/87,424,928.55 = 34,378,021.50/x
  3. Step 3: Cross multiply
    63,351,397.50x = 87,424,928.55 × 34,378,021.50
  4. Step 4: Simplify right side
    63,351,397.50x = 3,005,496,073,327,863.50
  5. Step 5: Solve for x
    x = 3,005,496,073,327,863.50/63,351,397.50
  6. Step 6: Final answer
    x = 47,441,669.67

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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.