Home / 43,453,843.20-65,180,764.80-42,781,996.80

Finding the Fourth Proportional to 43,453,843.20, 65,180,764.80 and 42,781,996.80

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Solution

The fourth proportional to 43,453,843.20, 65,180,764.80 and 42,781,996.80 is: 64,172,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,453,843.20 : 65,180,764.80 = 42,781,996.80 : x
  2. Step 2: Convert to fraction form
    43,453,843.20/65,180,764.80 = 42,781,996.80/x
  3. Step 3: Cross multiply
    43,453,843.20x = 65,180,764.80 × 42,781,996.80
  4. Step 4: Simplify right side
    43,453,843.20x = 2,788,563,271,095,152.50
  5. Step 5: Solve for x
    x = 2,788,563,271,095,152.50/43,453,843.20
  6. Step 6: Final answer
    x = 64,172,995.20

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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.