Home / 104,226,492.80-156,339,739.20-71,977,865.60

Finding the Fourth Proportional to 104,226,492.80, 156,339,739.20 and 71,977,865.60

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Solution

The fourth proportional to 104,226,492.80, 156,339,739.20 and 71,977,865.60 is: 107,966,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,226,492.80 : 156,339,739.20 = 71,977,865.60 : x
  2. Step 2: Convert to fraction form
    104,226,492.80/156,339,739.20 = 71,977,865.60/x
  3. Step 3: Cross multiply
    104,226,492.80x = 156,339,739.20 × 71,977,865.60
  4. Step 4: Simplify right side
    104,226,492.80x = 11,253,000,736,076,650
  5. Step 5: Solve for x
    x = 11,253,000,736,076,650/104,226,492.80
  6. Step 6: Final answer
    x = 107,966,798.40

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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.