Home / 66,734,189.40-100,101,284.10-21,300,576.60

Finding the Fourth Proportional to 66,734,189.40, 100,101,284.10 and 21,300,576.60

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Solution

The fourth proportional to 66,734,189.40, 100,101,284.10 and 21,300,576.60 is: 31,950,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,734,189.40 : 100,101,284.10 = 21,300,576.60 : x
  2. Step 2: Convert to fraction form
    66,734,189.40/100,101,284.10 = 21,300,576.60/x
  3. Step 3: Cross multiply
    66,734,189.40x = 100,101,284.10 × 21,300,576.60
  4. Step 4: Simplify right side
    66,734,189.40x = 2,132,215,069,730,412
  5. Step 5: Solve for x
    x = 2,132,215,069,730,412/66,734,189.40
  6. Step 6: Final answer
    x = 31,950,864.90

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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.