Home / 57,033,819.74-78,706,692.21-30,928,330.65

Finding the Fourth Proportional to 57,033,819.74, 78,706,692.21 and 30,928,330.65

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Solution

The fourth proportional to 57,033,819.74, 78,706,692.21 and 30,928,330.65 is: 42,681,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033,819.74 : 78,706,692.21 = 30,928,330.65 : x
  2. Step 2: Convert to fraction form
    57,033,819.74/78,706,692.21 = 30,928,330.65/x
  3. Step 3: Cross multiply
    57,033,819.74x = 78,706,692.21 × 30,928,330.65
  4. Step 4: Simplify right side
    57,033,819.74x = 2,434,266,600,859,490.50
  5. Step 5: Solve for x
    x = 2,434,266,600,859,490.50/57,033,819.74
  6. Step 6: Final answer
    x = 42,681,107.67

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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.