Home / 256,230,216.90-384,308,000.55-74,458,440.90

Finding the Fourth Proportional to 256,230,216.90, 384,308,000.55 and 74,458,440.90

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Solution

The fourth proportional to 256,230,216.90, 384,308,000.55 and 74,458,440.90 is: 111,676,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,230,216.90 : 384,308,000.55 = 74,458,440.90 : x
  2. Step 2: Convert to fraction form
    256,230,216.90/384,308,000.55 = 74,458,440.90/x
  3. Step 3: Cross multiply
    256,230,216.90x = 384,308,000.55 × 74,458,440.90
  4. Step 4: Simplify right side
    256,230,216.90x = 28,614,974,546,349,344
  5. Step 5: Solve for x
    x = 28,614,974,546,349,344/256,230,216.90
  6. Step 6: Final answer
    x = 111,676,815.06

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1.5x scale

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.