Home / 52,488,086.80-78,732,130.20-47,701,181.20

Finding the Fourth Proportional to 52,488,086.80, 78,732,130.20 and 47,701,181.20

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Solution

The fourth proportional to 52,488,086.80, 78,732,130.20 and 47,701,181.20 is: 71,551,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,086.80 : 78,732,130.20 = 47,701,181.20 : x
  2. Step 2: Convert to fraction form
    52,488,086.80/78,732,130.20 = 47,701,181.20/x
  3. Step 3: Cross multiply
    52,488,086.80x = 78,732,130.20 × 47,701,181.20
  4. Step 4: Simplify right side
    52,488,086.80x = 3,755,615,608,932,192.50
  5. Step 5: Solve for x
    x = 3,755,615,608,932,192.50/52,488,086.80
  6. Step 6: Final answer
    x = 71,551,771.80

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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.