Home / 100,529,575.52-138,742,047.72-60,858,964.17

Finding the Fourth Proportional to 100,529,575.52, 138,742,047.72 and 60,858,964.17

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Solution

The fourth proportional to 100,529,575.52, 138,742,047.72 and 60,858,964.17 is: 83,992,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,529,575.52 : 138,742,047.72 = 60,858,964.17 : x
  2. Step 2: Convert to fraction form
    100,529,575.52/138,742,047.72 = 60,858,964.17/x
  3. Step 3: Cross multiply
    100,529,575.52x = 138,742,047.72 × 60,858,964.17
  4. Step 4: Simplify right side
    100,529,575.52x = 8,443,697,311,063,910
  5. Step 5: Solve for x
    x = 8,443,697,311,063,910/100,529,575.52
  6. Step 6: Final answer
    x = 83,992,171.14

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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.