Home / 52,550,836.60-78,885,237.30-40,636,391.80

Finding the Fourth Proportional to 52,550,836.60, 78,885,237.30 and 40,636,391.80

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Solution

The fourth proportional to 52,550,836.60, 78,885,237.30 and 40,636,391.80 is: 61,000,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,550,836.60 : 78,885,237.30 = 40,636,391.80 : x
  2. Step 2: Convert to fraction form
    52,550,836.60/78,885,237.30 = 40,636,391.80/x
  3. Step 3: Cross multiply
    52,550,836.60x = 78,885,237.30 × 40,636,391.80
  4. Step 4: Simplify right side
    52,550,836.60x = 3,205,611,410,158,774
  5. Step 5: Solve for x
    x = 3,205,611,410,158,774/52,550,836.60
  6. Step 6: Final answer
    x = 61,000,197.48

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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.