Home / 74,310,692.46-102,550,023.78-40,821,584.28

Finding the Fourth Proportional to 74,310,692.46, 102,550,023.78 and 40,821,584.28

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Solution

The fourth proportional to 74,310,692.46, 102,550,023.78 and 40,821,584.28 is: 56,334,482.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,310,692.46 : 102,550,023.78 = 40,821,584.28 : x
  2. Step 2: Convert to fraction form
    74,310,692.46/102,550,023.78 = 40,821,584.28/x
  3. Step 3: Cross multiply
    74,310,692.46x = 102,550,023.78 × 40,821,584.28
  4. Step 4: Simplify right side
    74,310,692.46x = 4,186,254,438,113,630.50
  5. Step 5: Solve for x
    x = 4,186,254,438,113,630.50/74,310,692.46
  6. Step 6: Final answer
    x = 56,334,482.96

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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.