Home / 278,462,413.49-384,255,634.21-160,995,313.76

Finding the Fourth Proportional to 278,462,413.49, 384,255,634.21 and 160,995,313.76

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Solution

The fourth proportional to 278,462,413.49, 384,255,634.21 and 160,995,313.76 is: 222,160,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,462,413.49 : 384,255,634.21 = 160,995,313.76 : x
  2. Step 2: Convert to fraction form
    278,462,413.49/384,255,634.21 = 160,995,313.76/x
  3. Step 3: Cross multiply
    278,462,413.49x = 384,255,634.21 × 160,995,313.76
  4. Step 4: Simplify right side
    278,462,413.49x = 61,863,356,391,362,968
  5. Step 5: Solve for x
    x = 61,863,356,391,362,968/278,462,413.49
  6. Step 6: Final answer
    x = 222,160,526.50

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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.