Home / 100,887,105.10-151,330,657.65-76,493,963.20

Finding the Fourth Proportional to 100,887,105.10, 151,330,657.65 and 76,493,963.20

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Solution

The fourth proportional to 100,887,105.10, 151,330,657.65 and 76,493,963.20 is: 114,740,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,887,105.10 : 151,330,657.65 = 76,493,963.20 : x
  2. Step 2: Convert to fraction form
    100,887,105.10/151,330,657.65 = 76,493,963.20/x
  3. Step 3: Cross multiply
    100,887,105.10x = 151,330,657.65 × 76,493,963.20
  4. Step 4: Simplify right side
    100,887,105.10x = 11,575,881,757,310,900
  5. Step 5: Solve for x
    x = 11,575,881,757,310,900/100,887,105.10
  6. Step 6: Final answer
    x = 114,740,944.80

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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.