Home / 145,103,615.43-200,251,412.42-109,275,931.23

Finding the Fourth Proportional to 145,103,615.43, 200,251,412.42 and 109,275,931.23

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Solution

The fourth proportional to 145,103,615.43, 200,251,412.42 and 109,275,931.23 is: 150,807,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,103,615.43 : 200,251,412.42 = 109,275,931.23 : x
  2. Step 2: Convert to fraction form
    145,103,615.43/200,251,412.42 = 109,275,931.23/x
  3. Step 3: Cross multiply
    145,103,615.43x = 200,251,412.42 × 109,275,931.23
  4. Step 4: Simplify right side
    145,103,615.43x = 21,882,659,572,318,288
  5. Step 5: Solve for x
    x = 21,882,659,572,318,288/145,103,615.43
  6. Step 6: Final answer
    x = 150,807,128.46

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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.