Home / 89,920,012.18-124,082,690.31-50,765,659.12

Finding the Fourth Proportional to 89,920,012.18, 124,082,690.31 and 50,765,659.12

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Solution

The fourth proportional to 89,920,012.18, 124,082,690.31 and 50,765,659.12 is: 70,052,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,920,012.18 : 124,082,690.31 = 50,765,659.12 : x
  2. Step 2: Convert to fraction form
    89,920,012.18/124,082,690.31 = 50,765,659.12/x
  3. Step 3: Cross multiply
    89,920,012.18x = 124,082,690.31 × 50,765,659.12
  4. Step 4: Simplify right side
    89,920,012.18x = 6,299,139,558,969,987
  5. Step 5: Solve for x
    x = 6,299,139,558,969,987/89,920,012.18
  6. Step 6: Final answer
    x = 70,052,699.13

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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.