Home / 48,267,910.20-72,401,865.30-42,977,119.80

Finding the Fourth Proportional to 48,267,910.20, 72,401,865.30 and 42,977,119.80

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Solution

The fourth proportional to 48,267,910.20, 72,401,865.30 and 42,977,119.80 is: 64,465,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,267,910.20 : 72,401,865.30 = 42,977,119.80 : x
  2. Step 2: Convert to fraction form
    48,267,910.20/72,401,865.30 = 42,977,119.80/x
  3. Step 3: Cross multiply
    48,267,910.20x = 72,401,865.30 × 42,977,119.80
  4. Step 4: Simplify right side
    48,267,910.20x = 3,111,623,638,741,562.50
  5. Step 5: Solve for x
    x = 3,111,623,638,741,562.50/48,267,910.20
  6. Step 6: Final answer
    x = 64,465,679.70

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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.