Home / 382,475,477.80-573,713,216.70-123,876,287.20

Finding the Fourth Proportional to 382,475,477.80, 573,713,216.70 and 123,876,287.20

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Solution

The fourth proportional to 382,475,477.80, 573,713,216.70 and 123,876,287.20 is: 185,814,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,475,477.80 : 573,713,216.70 = 123,876,287.20 : x
  2. Step 2: Convert to fraction form
    382,475,477.80/573,713,216.70 = 123,876,287.20/x
  3. Step 3: Cross multiply
    382,475,477.80x = 573,713,216.70 × 123,876,287.20
  4. Step 4: Simplify right side
    382,475,477.80x = 71,069,463,202,365,040
  5. Step 5: Solve for x
    x = 71,069,463,202,365,040/382,475,477.80
  6. Step 6: Final answer
    x = 185,814,430.80

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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.