Home / 117,515,762.80-176,331,575.40-52,865,321.20

Finding the Fourth Proportional to 117,515,762.80, 176,331,575.40 and 52,865,321.20

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Solution

The fourth proportional to 117,515,762.80, 176,331,575.40 and 52,865,321.20 is: 79,324,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,515,762.80 : 176,331,575.40 = 52,865,321.20 : x
  2. Step 2: Convert to fraction form
    117,515,762.80/176,331,575.40 = 52,865,321.20/x
  3. Step 3: Cross multiply
    117,515,762.80x = 176,331,575.40 × 52,865,321.20
  4. Step 4: Simplify right side
    117,515,762.80x = 9,321,825,371,223,020
  5. Step 5: Solve for x
    x = 9,321,825,371,223,020/117,515,762.80
  6. Step 6: Final answer
    x = 79,324,042.57

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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.