Home / 144,002,885.73-198,724,509.03-77,923,384.52

Finding the Fourth Proportional to 144,002,885.73, 198,724,509.03 and 77,923,384.52

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Solution

The fourth proportional to 144,002,885.73, 198,724,509.03 and 77,923,384.52 is: 107,534,555.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,002,885.73 : 198,724,509.03 = 77,923,384.52 : x
  2. Step 2: Convert to fraction form
    144,002,885.73/198,724,509.03 = 77,923,384.52/x
  3. Step 3: Cross multiply
    144,002,885.73x = 198,724,509.03 × 77,923,384.52
  4. Step 4: Simplify right side
    144,002,885.73x = 15,485,286,329,699,280
  5. Step 5: Solve for x
    x = 15,485,286,329,699,280/144,002,885.73
  6. Step 6: Final answer
    x = 107,534,555.65

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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.