Home / 90,279,128.53-124,623,332.93-60,950,186.43

Finding the Fourth Proportional to 90,279,128.53, 124,623,332.93 and 60,950,186.43

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Solution

The fourth proportional to 90,279,128.53, 124,623,332.93 and 60,950,186.43 is: 84,137,003.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,279,128.53 : 124,623,332.93 = 60,950,186.43 : x
  2. Step 2: Convert to fraction form
    90,279,128.53/124,623,332.93 = 60,950,186.43/x
  3. Step 3: Cross multiply
    90,279,128.53x = 124,623,332.93 × 60,950,186.43
  4. Step 4: Simplify right side
    90,279,128.53x = 7,595,815,375,611,459
  5. Step 5: Solve for x
    x = 7,595,815,375,611,459/90,279,128.53
  6. Step 6: Final answer
    x = 84,137,003.75

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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.