Home / 48,215,279.16-66,537,624.44-28,373,431.20

Finding the Fourth Proportional to 48,215,279.16, 66,537,624.44 and 28,373,431.20

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Solution

The fourth proportional to 48,215,279.16, 66,537,624.44 and 28,373,431.20 is: 39,155,652.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,215,279.16 : 66,537,624.44 = 28,373,431.20 : x
  2. Step 2: Convert to fraction form
    48,215,279.16/66,537,624.44 = 28,373,431.20/x
  3. Step 3: Cross multiply
    48,215,279.16x = 66,537,624.44 × 28,373,431.20
  4. Step 4: Simplify right side
    48,215,279.16x = 1,887,900,709,259,778.50
  5. Step 5: Solve for x
    x = 1,887,900,709,259,778.50/48,215,279.16
  6. Step 6: Final answer
    x = 39,155,652.36

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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.