Home / 77,571,744.68-107,049,832.50-42,765,680.58

Finding the Fourth Proportional to 77,571,744.68, 107,049,832.50 and 42,765,680.58

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Solution

The fourth proportional to 77,571,744.68, 107,049,832.50 and 42,765,680.58 is: 59,017,093.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,571,744.68 : 107,049,832.50 = 42,765,680.58 : x
  2. Step 2: Convert to fraction form
    77,571,744.68/107,049,832.50 = 42,765,680.58/x
  3. Step 3: Cross multiply
    77,571,744.68x = 107,049,832.50 × 42,765,680.58
  4. Step 4: Simplify right side
    77,571,744.68x = 4,578,058,942,837,503
  5. Step 5: Solve for x
    x = 4,578,058,942,837,503/77,571,744.68
  6. Step 6: Final answer
    x = 59,017,093.94

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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.