Home / 59,048,487.48-81,394,121.93-40,431,432.90

Finding the Fourth Proportional to 59,048,487.48, 81,394,121.93 and 40,431,432.90

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Solution

The fourth proportional to 59,048,487.48, 81,394,121.93 and 40,431,432.90 is: 55,731,842.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,048,487.48 : 81,394,121.93 = 40,431,432.90 : x
  2. Step 2: Convert to fraction form
    59,048,487.48/81,394,121.93 = 40,431,432.90/x
  3. Step 3: Cross multiply
    59,048,487.48x = 81,394,121.93 × 40,431,432.90
  4. Step 4: Simplify right side
    59,048,487.48x = 3,290,880,979,065,056
  5. Step 5: Solve for x
    x = 3,290,880,979,065,056/59,048,487.48
  6. Step 6: Final answer
    x = 55,731,842.08

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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.