Home / 258,047,812.24-356,105,823.84-142,154,308.24

Finding the Fourth Proportional to 258,047,812.24, 356,105,823.84 and 142,154,308.24

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Solution

The fourth proportional to 258,047,812.24, 356,105,823.84 and 142,154,308.24 is: 196,172,858.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,047,812.24 : 356,105,823.84 = 142,154,308.24 : x
  2. Step 2: Convert to fraction form
    258,047,812.24/356,105,823.84 = 142,154,308.24/x
  3. Step 3: Cross multiply
    258,047,812.24x = 356,105,823.84 × 142,154,308.24
  4. Step 4: Simplify right side
    258,047,812.24x = 50,621,977,048,210,504
  5. Step 5: Solve for x
    x = 50,621,977,048,210,504/258,047,812.24
  6. Step 6: Final answer
    x = 196,172,858.85

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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.