Home / 144,002,887.32-198,724,511.23-77,923,386.11

Finding the Fourth Proportional to 144,002,887.32, 198,724,511.23 and 77,923,386.11

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Solution

The fourth proportional to 144,002,887.32, 198,724,511.23 and 77,923,386.11 is: 107,534,557.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,002,887.32 : 198,724,511.23 = 77,923,386.11 : x
  2. Step 2: Convert to fraction form
    144,002,887.32/198,724,511.23 = 77,923,386.11/x
  3. Step 3: Cross multiply
    144,002,887.32x = 198,724,511.23 × 77,923,386.11
  4. Step 4: Simplify right side
    144,002,887.32x = 15,485,286,818,398,322
  5. Step 5: Solve for x
    x = 15,485,286,818,398,322/144,002,887.32
  6. Step 6: Final answer
    x = 107,534,557.86

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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.