Home / 66,439,037.80-99,658,556.70-30,607,229.80

Finding the Fourth Proportional to 66,439,037.80, 99,658,556.70 and 30,607,229.80

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Solution

The fourth proportional to 66,439,037.80, 99,658,556.70 and 30,607,229.80 is: 45,910,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,439,037.80 : 99,658,556.70 = 30,607,229.80 : x
  2. Step 2: Convert to fraction form
    66,439,037.80/99,658,556.70 = 30,607,229.80/x
  3. Step 3: Cross multiply
    66,439,037.80x = 99,658,556.70 × 30,607,229.80
  4. Step 4: Simplify right side
    66,439,037.80x = 3,050,272,346,453,230
  5. Step 5: Solve for x
    x = 3,050,272,346,453,230/66,439,037.80
  6. Step 6: Final answer
    x = 45,910,844.70

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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.