Home / 144,051,263.28-198,809,667-82,157,413.68

Finding the Fourth Proportional to 144,051,263.28, 198,809,667 and 82,157,413.68

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Solution

The fourth proportional to 144,051,263.28, 198,809,667 and 82,157,413.68 is: 113,388,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,051,263.28 : 198,809,667 = 82,157,413.68 : x
  2. Step 2: Convert to fraction form
    144,051,263.28/198,809,667 = 82,157,413.68/x
  3. Step 3: Cross multiply
    144,051,263.28x = 198,809,667 × 82,157,413.68
  4. Step 4: Simplify right side
    144,051,263.28x = 16,333,688,055,302,046
  5. Step 5: Solve for x
    x = 16,333,688,055,302,046/144,051,263.28
  6. Step 6: Final answer
    x = 113,388,023.70

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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.