Home / 66,118,989.30-99,179,484.48-25,180,694.79

Finding the Fourth Proportional to 66,118,989.30, 99,179,484.48 and 25,180,694.79

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Solution

The fourth proportional to 66,118,989.30, 99,179,484.48 and 25,180,694.79 is: 37,771,423.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,118,989.30 : 99,179,484.48 = 25,180,694.79 : x
  2. Step 2: Convert to fraction form
    66,118,989.30/99,179,484.48 = 25,180,694.79/x
  3. Step 3: Cross multiply
    66,118,989.30x = 99,179,484.48 × 25,180,694.79
  4. Step 4: Simplify right side
    66,118,989.30x = 2,497,408,328,120,422
  5. Step 5: Solve for x
    x = 2,497,408,328,120,422/66,118,989.30
  6. Step 6: Final answer
    x = 37,771,423.23

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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.