Home / 79,261,709.80-118,892,564.70-36,214,988.80

Finding the Fourth Proportional to 79,261,709.80, 118,892,564.70 and 36,214,988.80

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Solution

The fourth proportional to 79,261,709.80, 118,892,564.70 and 36,214,988.80 is: 54,322,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,261,709.80 : 118,892,564.70 = 36,214,988.80 : x
  2. Step 2: Convert to fraction form
    79,261,709.80/118,892,564.70 = 36,214,988.80/x
  3. Step 3: Cross multiply
    79,261,709.80x = 118,892,564.70 × 36,214,988.80
  4. Step 4: Simplify right side
    79,261,709.80x = 4,305,692,899,013,775
  5. Step 5: Solve for x
    x = 4,305,692,899,013,775/79,261,709.80
  6. Step 6: Final answer
    x = 54,322,483.20

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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.