Home / 78,733,942.80-118,100,914.20-22,000,246.80

Finding the Fourth Proportional to 78,733,942.80, 118,100,914.20 and 22,000,246.80

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Solution

The fourth proportional to 78,733,942.80, 118,100,914.20 and 22,000,246.80 is: 33,000,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,733,942.80 : 118,100,914.20 = 22,000,246.80 : x
  2. Step 2: Convert to fraction form
    78,733,942.80/118,100,914.20 = 22,000,246.80/x
  3. Step 3: Cross multiply
    78,733,942.80x = 118,100,914.20 × 22,000,246.80
  4. Step 4: Simplify right side
    78,733,942.80x = 2,598,249,259,705,624.50
  5. Step 5: Solve for x
    x = 2,598,249,259,705,624.50/78,733,942.80
  6. Step 6: Final answer
    x = 33,000,370.20

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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.