Home / 218,628,007.20-327,942,010.80-57,069,943.20

Finding the Fourth Proportional to 218,628,007.20, 327,942,010.80 and 57,069,943.20

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Solution

The fourth proportional to 218,628,007.20, 327,942,010.80 and 57,069,943.20 is: 85,604,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,628,007.20 : 327,942,010.80 = 57,069,943.20 : x
  2. Step 2: Convert to fraction form
    218,628,007.20/327,942,010.80 = 57,069,943.20/x
  3. Step 3: Cross multiply
    218,628,007.20x = 327,942,010.80 × 57,069,943.20
  4. Step 4: Simplify right side
    218,628,007.20x = 18,715,631,929,249,788
  5. Step 5: Solve for x
    x = 18,715,631,929,249,788/218,628,007.20
  6. Step 6: Final answer
    x = 85,604,914.80

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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.