Home / 71,990,805.42-99,319,043.07-41,810,164.45

Finding the Fourth Proportional to 71,990,805.42, 99,319,043.07 and 41,810,164.45

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Solution

The fourth proportional to 71,990,805.42, 99,319,043.07 and 41,810,164.45 is: 57,681,609.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,990,805.42 : 99,319,043.07 = 41,810,164.45 : x
  2. Step 2: Convert to fraction form
    71,990,805.42/99,319,043.07 = 41,810,164.45/x
  3. Step 3: Cross multiply
    71,990,805.42x = 99,319,043.07 × 41,810,164.45
  4. Step 4: Simplify right side
    71,990,805.42x = 4,152,545,523,525,034.50
  5. Step 5: Solve for x
    x = 4,152,545,523,525,034.50/71,990,805.42
  6. Step 6: Final answer
    x = 57,681,609.47

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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.