Home / 99,807,112.80-149,760,435.60-56,709,410.40

Finding the Fourth Proportional to 99,807,112.80, 149,760,435.60 and 56,709,410.40

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Solution

The fourth proportional to 99,807,112.80, 149,760,435.60 and 56,709,410.40 is: 85,092,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,807,112.80 : 149,760,435.60 = 56,709,410.40 : x
  2. Step 2: Convert to fraction form
    99,807,112.80/149,760,435.60 = 56,709,410.40/x
  3. Step 3: Cross multiply
    99,807,112.80x = 149,760,435.60 × 56,709,410.40
  4. Step 4: Simplify right side
    99,807,112.80x = 8,492,826,004,123,170
  5. Step 5: Solve for x
    x = 8,492,826,004,123,170/99,807,112.80
  6. Step 6: Final answer
    x = 85,092,392.37

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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.