Home / 144,002,919.06-198,724,554.99-77,923,417.80

Finding the Fourth Proportional to 144,002,919.06, 198,724,554.99 and 77,923,417.80

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Solution

The fourth proportional to 144,002,919.06, 198,724,554.99 and 77,923,417.80 is: 107,534,601.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,002,919.06 : 198,724,554.99 = 77,923,417.80 : x
  2. Step 2: Convert to fraction form
    144,002,919.06/198,724,554.99 = 77,923,417.80/x
  3. Step 3: Cross multiply
    144,002,919.06x = 198,724,554.99 × 77,923,417.80
  4. Step 4: Simplify right side
    144,002,919.06x = 15,485,296,525,604,844
  5. Step 5: Solve for x
    x = 15,485,296,525,604,844/144,002,919.06
  6. Step 6: Final answer
    x = 107,534,601.57

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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.