Home / 116,473,716.80-174,710,575.20-78,253,121.60

Finding the Fourth Proportional to 116,473,716.80, 174,710,575.20 and 78,253,121.60

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Solution

The fourth proportional to 116,473,716.80, 174,710,575.20 and 78,253,121.60 is: 117,379,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,473,716.80 : 174,710,575.20 = 78,253,121.60 : x
  2. Step 2: Convert to fraction form
    116,473,716.80/174,710,575.20 = 78,253,121.60/x
  3. Step 3: Cross multiply
    116,473,716.80x = 174,710,575.20 × 78,253,121.60
  4. Step 4: Simplify right side
    116,473,716.80x = 13,671,647,885,931,542
  5. Step 5: Solve for x
    x = 13,671,647,885,931,542/116,473,716.80
  6. Step 6: Final answer
    x = 117,379,682.40

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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.