Home / 53,420,415.50-73,720,178.26-30,215,043.02

Finding the Fourth Proportional to 53,420,415.50, 73,720,178.26 and 30,215,043.02

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Solution

The fourth proportional to 53,420,415.50, 73,720,178.26 and 30,215,043.02 is: 41,696,762.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,420,415.50 : 73,720,178.26 = 30,215,043.02 : x
  2. Step 2: Convert to fraction form
    53,420,415.50/73,720,178.26 = 30,215,043.02/x
  3. Step 3: Cross multiply
    53,420,415.50x = 73,720,178.26 × 30,215,043.02
  4. Step 4: Simplify right side
    53,420,415.50x = 2,227,458,357,567,968.75
  5. Step 5: Solve for x
    x = 2,227,458,357,567,968.75/53,420,415.50
  6. Step 6: Final answer
    x = 41,696,762.12

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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.