Home / 99,827,690.60-149,741,535.90-28,014,775.40

Finding the Fourth Proportional to 99,827,690.60, 149,741,535.90 and 28,014,775.40

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Solution

The fourth proportional to 99,827,690.60, 149,741,535.90 and 28,014,775.40 is: 42,022,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,827,690.60 : 149,741,535.90 = 28,014,775.40 : x
  2. Step 2: Convert to fraction form
    99,827,690.60/149,741,535.90 = 28,014,775.40/x
  3. Step 3: Cross multiply
    99,827,690.60x = 149,741,535.90 × 28,014,775.40
  4. Step 4: Simplify right side
    99,827,690.60x = 4,194,975,496,289,537
  5. Step 5: Solve for x
    x = 4,194,975,496,289,537/99,827,690.60
  6. Step 6: Final answer
    x = 42,022,163.10

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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.