Home / 90,684,412.62-125,139,767.46-51,520,753.86

Finding the Fourth Proportional to 90,684,412.62, 125,139,767.46 and 51,520,753.86

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Solution

The fourth proportional to 90,684,412.62, 125,139,767.46 and 51,520,753.86 is: 71,095,957.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,684,412.62 : 125,139,767.46 = 51,520,753.86 : x
  2. Step 2: Convert to fraction form
    90,684,412.62/125,139,767.46 = 51,520,753.86/x
  3. Step 3: Cross multiply
    90,684,412.62x = 125,139,767.46 × 51,520,753.86
  4. Step 4: Simplify right side
    90,684,412.62x = 6,447,295,157,404,297
  5. Step 5: Solve for x
    x = 6,447,295,157,404,297/90,684,412.62
  6. Step 6: Final answer
    x = 71,095,957.63

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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.