Home / 115,406,027.84-172,958,313.72-88,012,015.76

Finding the Fourth Proportional to 115,406,027.84, 172,958,313.72 and 88,012,015.76

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Solution

The fourth proportional to 115,406,027.84, 172,958,313.72 and 88,012,015.76 is: 131,903,074.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,406,027.84 : 172,958,313.72 = 88,012,015.76 : x
  2. Step 2: Convert to fraction form
    115,406,027.84/172,958,313.72 = 88,012,015.76/x
  3. Step 3: Cross multiply
    115,406,027.84x = 172,958,313.72 × 88,012,015.76
  4. Step 4: Simplify right side
    115,406,027.84x = 15,222,409,832,947,666
  5. Step 5: Solve for x
    x = 15,222,409,832,947,666/115,406,027.84
  6. Step 6: Final answer
    x = 131,903,074.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.