Home / 145,103,615.68-200,251,412.76-109,275,931.48

Finding the Fourth Proportional to 145,103,615.68, 200,251,412.76 and 109,275,931.48

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Solution

The fourth proportional to 145,103,615.68, 200,251,412.76 and 109,275,931.48 is: 150,807,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,103,615.68 : 200,251,412.76 = 109,275,931.48 : x
  2. Step 2: Convert to fraction form
    145,103,615.68/200,251,412.76 = 109,275,931.48/x
  3. Step 3: Cross multiply
    145,103,615.68x = 200,251,412.76 × 109,275,931.48
  4. Step 4: Simplify right side
    145,103,615.68x = 21,882,659,659,534,956
  5. Step 5: Solve for x
    x = 21,882,659,659,534,956/145,103,615.68
  6. Step 6: Final answer
    x = 150,807,128.80

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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.