Home / 144,002,886.23-198,724,509.72-77,923,385.02

Finding the Fourth Proportional to 144,002,886.23, 198,724,509.72 and 77,923,385.02

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Solution

The fourth proportional to 144,002,886.23, 198,724,509.72 and 77,923,385.02 is: 107,534,556.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,002,886.23 : 198,724,509.72 = 77,923,385.02 : x
  2. Step 2: Convert to fraction form
    144,002,886.23/198,724,509.72 = 77,923,385.02/x
  3. Step 3: Cross multiply
    144,002,886.23x = 198,724,509.72 × 77,923,385.02
  4. Step 4: Simplify right side
    144,002,886.23x = 15,485,286,482,828,670
  5. Step 5: Solve for x
    x = 15,485,286,482,828,670/144,002,886.23
  6. Step 6: Final answer
    x = 107,534,556.34

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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.