Home / 301,626,638.76-452,439,289.20-80,298,033.12

Finding the Fourth Proportional to 301,626,638.76, 452,439,289.20 and 80,298,033.12

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Solution

The fourth proportional to 301,626,638.76, 452,439,289.20 and 80,298,033.12 is: 120,446,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,626,638.76 : 452,439,289.20 = 80,298,033.12 : x
  2. Step 2: Convert to fraction form
    301,626,638.76/452,439,289.20 = 80,298,033.12/x
  3. Step 3: Cross multiply
    301,626,638.76x = 452,439,289.20 × 80,298,033.12
  4. Step 4: Simplify right side
    301,626,638.76x = 36,329,985,028,970,856
  5. Step 5: Solve for x
    x = 36,329,985,028,970,856/301,626,638.76
  6. Step 6: Final answer
    x = 120,446,871.60

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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.