Home / 144,820,816.45-199,859,907.05-89,834,387.65

Finding the Fourth Proportional to 144,820,816.45, 199,859,907.05 and 89,834,387.65

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Solution

The fourth proportional to 144,820,816.45, 199,859,907.05 and 89,834,387.65 is: 123,975,909.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,820,816.45 : 199,859,907.05 = 89,834,387.65 : x
  2. Step 2: Convert to fraction form
    144,820,816.45/199,859,907.05 = 89,834,387.65/x
  3. Step 3: Cross multiply
    144,820,816.45x = 199,859,907.05 × 89,834,387.65
  4. Step 4: Simplify right side
    144,820,816.45x = 17,954,292,365,622,670
  5. Step 5: Solve for x
    x = 17,954,292,365,622,670/144,820,816.45
  6. Step 6: Final answer
    x = 123,975,909.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.