Home / 47,259,583.20-65,230,359.48-30,780,771.48

Finding the Fourth Proportional to 47,259,583.20, 65,230,359.48 and 30,780,771.48

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Solution

The fourth proportional to 47,259,583.20, 65,230,359.48 and 30,780,771.48 is: 42,485,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,259,583.20 : 65,230,359.48 = 30,780,771.48 : x
  2. Step 2: Convert to fraction form
    47,259,583.20/65,230,359.48 = 30,780,771.48/x
  3. Step 3: Cross multiply
    47,259,583.20x = 65,230,359.48 × 30,780,771.48
  4. Step 4: Simplify right side
    47,259,583.20x = 2,007,840,788,712,131.50
  5. Step 5: Solve for x
    x = 2,007,840,788,712,131.50/47,259,583.20
  6. Step 6: Final answer
    x = 42,485,368.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.