Home / 52,488,136.20-78,732,204.30-52,169,271.60

Finding the Fourth Proportional to 52,488,136.20, 78,732,204.30 and 52,169,271.60

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Solution

The fourth proportional to 52,488,136.20, 78,732,204.30 and 52,169,271.60 is: 78,253,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,136.20 : 78,732,204.30 = 52,169,271.60 : x
  2. Step 2: Convert to fraction form
    52,488,136.20/78,732,204.30 = 52,169,271.60/x
  3. Step 3: Cross multiply
    52,488,136.20x = 78,732,204.30 × 52,169,271.60
  4. Step 4: Simplify right side
    52,488,136.20x = 4,107,401,749,793,388
  5. Step 5: Solve for x
    x = 4,107,401,749,793,388/52,488,136.20
  6. Step 6: Final answer
    x = 78,253,907.40

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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.