Home / 152,571,031.70-228,851,429.94-66,309,431.27

Finding the Fourth Proportional to 152,571,031.70, 228,851,429.94 and 66,309,431.27

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Solution

The fourth proportional to 152,571,031.70, 228,851,429.94 and 66,309,431.27 is: 99,461,922.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,571,031.70 : 228,851,429.94 = 66,309,431.27 : x
  2. Step 2: Convert to fraction form
    152,571,031.70/228,851,429.94 = 66,309,431.27/x
  3. Step 3: Cross multiply
    152,571,031.70x = 228,851,429.94 × 66,309,431.27
  4. Step 4: Simplify right side
    152,571,031.70x = 15,175,008,163,503,394
  5. Step 5: Solve for x
    x = 15,175,008,163,503,394/152,571,031.70
  6. Step 6: Final answer
    x = 99,461,922.72

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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.