Home / 145,451,824.28-200,727,756.47-79,376,578.55

Finding the Fourth Proportional to 145,451,824.28, 200,727,756.47 and 79,376,578.55

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Solution

The fourth proportional to 145,451,824.28, 200,727,756.47 and 79,376,578.55 is: 109,541,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,451,824.28 : 200,727,756.47 = 79,376,578.55 : x
  2. Step 2: Convert to fraction form
    145,451,824.28/200,727,756.47 = 79,376,578.55/x
  3. Step 3: Cross multiply
    145,451,824.28x = 200,727,756.47 × 79,376,578.55
  4. Step 4: Simplify right side
    145,451,824.28x = 15,933,082,528,606,226
  5. Step 5: Solve for x
    x = 15,933,082,528,606,226/145,451,824.28
  6. Step 6: Final answer
    x = 109,541,991.70

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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.