Home / 77,406,313.45-116,129,716.32-28,884,591.04

Finding the Fourth Proportional to 77,406,313.45, 116,129,716.32 and 28,884,591.04

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Solution

The fourth proportional to 77,406,313.45, 116,129,716.32 and 28,884,591.04 is: 43,334,441.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,406,313.45 : 116,129,716.32 = 28,884,591.04 : x
  2. Step 2: Convert to fraction form
    77,406,313.45/116,129,716.32 = 28,884,591.04/x
  3. Step 3: Cross multiply
    77,406,313.45x = 116,129,716.32 × 28,884,591.04
  4. Step 4: Simplify right side
    77,406,313.45x = 3,354,359,363,494,413.50
  5. Step 5: Solve for x
    x = 3,354,359,363,494,413.50/77,406,313.45
  6. Step 6: Final answer
    x = 43,334,441.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.