Home / 189,286,588.48-261,216,279.04-102,366,460.48

Finding the Fourth Proportional to 189,286,588.48, 261,216,279.04 and 102,366,460.48

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Solution

The fourth proportional to 189,286,588.48, 261,216,279.04 and 102,366,460.48 is: 141,266,141.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,286,588.48 : 261,216,279.04 = 102,366,460.48 : x
  2. Step 2: Convert to fraction form
    189,286,588.48/261,216,279.04 = 102,366,460.48/x
  3. Step 3: Cross multiply
    189,286,588.48x = 261,216,279.04 × 102,366,460.48
  4. Step 4: Simplify right side
    189,286,588.48x = 26,739,785,905,080,812
  5. Step 5: Solve for x
    x = 26,739,785,905,080,812/189,286,588.48
  6. Step 6: Final answer
    x = 141,266,141.04

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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.