Home / 77,874,841.80-116,729,889.21-29,331,692.46

Finding the Fourth Proportional to 77,874,841.80, 116,729,889.21 and 29,331,692.46

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Solution

The fourth proportional to 77,874,841.80, 116,729,889.21 and 29,331,692.46 is: 43,966,512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,874,841.80 : 116,729,889.21 = 29,331,692.46 : x
  2. Step 2: Convert to fraction form
    77,874,841.80/116,729,889.21 = 29,331,692.46/x
  3. Step 3: Cross multiply
    77,874,841.80x = 116,729,889.21 × 29,331,692.46
  4. Step 4: Simplify right side
    77,874,841.80x = 3,423,885,211,197,592.50
  5. Step 5: Solve for x
    x = 3,423,885,211,197,592.50/77,874,841.80
  6. Step 6: Final answer
    x = 43,966,512.57

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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.