Home / 100,054,532.14-138,073,899.49-56,001,517.76

Finding the Fourth Proportional to 100,054,532.14, 138,073,899.49 and 56,001,517.76

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Solution

The fourth proportional to 100,054,532.14, 138,073,899.49 and 56,001,517.76 is: 77,281,336.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,054,532.14 : 138,073,899.49 = 56,001,517.76 : x
  2. Step 2: Convert to fraction form
    100,054,532.14/138,073,899.49 = 56,001,517.76/x
  3. Step 3: Cross multiply
    100,054,532.14x = 138,073,899.49 × 56,001,517.76
  4. Step 4: Simplify right side
    100,054,532.14x = 7,732,347,935,001,601
  5. Step 5: Solve for x
    x = 7,732,347,935,001,601/100,054,532.14
  6. Step 6: Final answer
    x = 77,281,336.19

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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.