Home / 382,475,107.80-573,712,661.70-123,875,917.20

Finding the Fourth Proportional to 382,475,107.80, 573,712,661.70 and 123,875,917.20

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Solution

The fourth proportional to 382,475,107.80, 573,712,661.70 and 123,875,917.20 is: 185,813,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,475,107.80 : 573,712,661.70 = 123,875,917.20 : x
  2. Step 2: Convert to fraction form
    382,475,107.80/573,712,661.70 = 123,875,917.20/x
  3. Step 3: Cross multiply
    382,475,107.80x = 573,712,661.70 × 123,875,917.20
  4. Step 4: Simplify right side
    382,475,107.80x = 71,069,182,177,340,816
  5. Step 5: Solve for x
    x = 71,069,182,177,340,816/382,475,107.80
  6. Step 6: Final answer
    x = 185,813,875.80

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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.