Home / 89,477,449.32-123,477,699.60-50,319,214.32

Finding the Fourth Proportional to 89,477,449.32, 123,477,699.60 and 50,319,214.32

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Solution

The fourth proportional to 89,477,449.32, 123,477,699.60 and 50,319,214.32 is: 69,439,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,477,449.32 : 123,477,699.60 = 50,319,214.32 : x
  2. Step 2: Convert to fraction form
    89,477,449.32/123,477,699.60 = 50,319,214.32/x
  3. Step 3: Cross multiply
    89,477,449.32x = 123,477,699.60 × 50,319,214.32
  4. Step 4: Simplify right side
    89,477,449.32x = 6,213,300,829,912,978
  5. Step 5: Solve for x
    x = 6,213,300,829,912,978/89,477,449.32
  6. Step 6: Final answer
    x = 69,439,851.91

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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.