Home / 89,441,670.30-123,428,763.06-50,283,621.60

Finding the Fourth Proportional to 89,441,670.30, 123,428,763.06 and 50,283,621.60

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Solution

The fourth proportional to 89,441,670.30, 123,428,763.06 and 50,283,621.60 is: 69,390,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,441,670.30 : 123,428,763.06 = 50,283,621.60 : x
  2. Step 2: Convert to fraction form
    89,441,670.30/123,428,763.06 = 50,283,621.60/x
  3. Step 3: Cross multiply
    89,441,670.30x = 123,428,763.06 × 50,283,621.60
  4. Step 4: Simplify right side
    89,441,670.30x = 6,206,445,216,265,098
  5. Step 5: Solve for x
    x = 6,206,445,216,265,098/89,441,670.30
  6. Step 6: Final answer
    x = 69,390,980.69

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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.