Home / 104,373,721.60-156,560,582.40-87,493,580.80

Finding the Fourth Proportional to 104,373,721.60, 156,560,582.40 and 87,493,580.80

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Solution

The fourth proportional to 104,373,721.60, 156,560,582.40 and 87,493,580.80 is: 131,240,371.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,373,721.60 : 156,560,582.40 = 87,493,580.80 : x
  2. Step 2: Convert to fraction form
    104,373,721.60/156,560,582.40 = 87,493,580.80/x
  3. Step 3: Cross multiply
    104,373,721.60x = 156,560,582.40 × 87,493,580.80
  4. Step 4: Simplify right side
    104,373,721.60x = 13,698,045,966,309,458
  5. Step 5: Solve for x
    x = 13,698,045,966,309,458/104,373,721.60
  6. Step 6: Final answer
    x = 131,240,371.20

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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.