Home / 78,604,205.40-117,922,896.90-24,756,960.60

Finding the Fourth Proportional to 78,604,205.40, 117,922,896.90 and 24,756,960.60

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Solution

The fourth proportional to 78,604,205.40, 117,922,896.90 and 24,756,960.60 is: 37,140,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,604,205.40 : 117,922,896.90 = 24,756,960.60 : x
  2. Step 2: Convert to fraction form
    78,604,205.40/117,922,896.90 = 24,756,960.60/x
  3. Step 3: Cross multiply
    78,604,205.40x = 117,922,896.90 × 24,756,960.60
  4. Step 4: Simplify right side
    78,604,205.40x = 2,919,412,512,391,162.50
  5. Step 5: Solve for x
    x = 2,919,412,512,391,162.50/78,604,205.40
  6. Step 6: Final answer
    x = 37,140,665.66

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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.