Home / 74,690,179.40-112,035,269.10-67,994,022.80

Finding the Fourth Proportional to 74,690,179.40, 112,035,269.10 and 67,994,022.80

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Solution

The fourth proportional to 74,690,179.40, 112,035,269.10 and 67,994,022.80 is: 101,991,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,690,179.40 : 112,035,269.10 = 67,994,022.80 : x
  2. Step 2: Convert to fraction form
    74,690,179.40/112,035,269.10 = 67,994,022.80/x
  3. Step 3: Cross multiply
    74,690,179.40x = 112,035,269.10 × 67,994,022.80
  4. Step 4: Simplify right side
    74,690,179.40x = 7,617,728,641,589,535
  5. Step 5: Solve for x
    x = 7,617,728,641,589,535/74,690,179.40
  6. Step 6: Final answer
    x = 101,991,034.20

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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.