Home / 99,820,378.20-149,431,968.90-93,914,765.40

Finding the Fourth Proportional to 99,820,378.20, 149,431,968.90 and 93,914,765.40

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Solution

The fourth proportional to 99,820,378.20, 149,431,968.90 and 93,914,765.40 is: 140,591,215.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,820,378.20 : 149,431,968.90 = 93,914,765.40 : x
  2. Step 2: Convert to fraction form
    99,820,378.20/149,431,968.90 = 93,914,765.40/x
  3. Step 3: Cross multiply
    99,820,378.20x = 149,431,968.90 × 93,914,765.40
  4. Step 4: Simplify right side
    99,820,378.20x = 14,033,868,302,503,598
  5. Step 5: Solve for x
    x = 14,033,868,302,503,598/99,820,378.20
  6. Step 6: Final answer
    x = 140,591,215.50

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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.