Home / 66,998,021.20-100,497,031.80-26,608,505.20

Finding the Fourth Proportional to 66,998,021.20, 100,497,031.80 and 26,608,505.20

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Solution

The fourth proportional to 66,998,021.20, 100,497,031.80 and 26,608,505.20 is: 39,912,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,998,021.20 : 100,497,031.80 = 26,608,505.20 : x
  2. Step 2: Convert to fraction form
    66,998,021.20/100,497,031.80 = 26,608,505.20/x
  3. Step 3: Cross multiply
    66,998,021.20x = 100,497,031.80 × 26,608,505.20
  4. Step 4: Simplify right side
    66,998,021.20x = 2,674,075,793,234,865
  5. Step 5: Solve for x
    x = 2,674,075,793,234,865/66,998,021.20
  6. Step 6: Final answer
    x = 39,912,757.80

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1.5x scale

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.