Home / 253,890,119.10-380,835,178.65-238,584,618.30

Finding the Fourth Proportional to 253,890,119.10, 380,835,178.65 and 238,584,618.30

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Solution

The fourth proportional to 253,890,119.10, 380,835,178.65 and 238,584,618.30 is: 357,876,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,890,119.10 : 380,835,178.65 = 238,584,618.30 : x
  2. Step 2: Convert to fraction form
    253,890,119.10/380,835,178.65 = 238,584,618.30/x
  3. Step 3: Cross multiply
    253,890,119.10x = 380,835,178.65 × 238,584,618.30
  4. Step 4: Simplify right side
    253,890,119.10x = 90,861,415,733,422,560
  5. Step 5: Solve for x
    x = 90,861,415,733,422,560/253,890,119.10
  6. Step 6: Final answer
    x = 357,876,927.45

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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.