Home / 90,213,728.54-124,494,945.44-48,960,620.91

Finding the Fourth Proportional to 90,213,728.54, 124,494,945.44 and 48,960,620.91

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Solution

The fourth proportional to 90,213,728.54, 124,494,945.44 and 48,960,620.91 is: 67,565,656.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,213,728.54 : 124,494,945.44 = 48,960,620.91 : x
  2. Step 2: Convert to fraction form
    90,213,728.54/124,494,945.44 = 48,960,620.91/x
  3. Step 3: Cross multiply
    90,213,728.54x = 124,494,945.44 × 48,960,620.91
  4. Step 4: Simplify right side
    90,213,728.54x = 6,095,349,828,654,170
  5. Step 5: Solve for x
    x = 6,095,349,828,654,170/90,213,728.54
  6. Step 6: Final answer
    x = 67,565,656.89

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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.