Home / 308,037,400.59-425,091,986.54-166,908,509.67

Finding the Fourth Proportional to 308,037,400.59, 425,091,986.54 and 166,908,509.67

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Solution

The fourth proportional to 308,037,400.59, 425,091,986.54 and 166,908,509.67 is: 230,333,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,037,400.59 : 425,091,986.54 = 166,908,509.67 : x
  2. Step 2: Convert to fraction form
    308,037,400.59/425,091,986.54 = 166,908,509.67/x
  3. Step 3: Cross multiply
    308,037,400.59x = 425,091,986.54 × 166,908,509.67
  4. Step 4: Simplify right side
    308,037,400.59x = 70,951,469,943,564,752
  5. Step 5: Solve for x
    x = 70,951,469,943,564,752/308,037,400.59
  6. Step 6: Final answer
    x = 230,333,945.84

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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.