Home / 256,019,924.79-353,221,008.61-166,671,185.23

Finding the Fourth Proportional to 256,019,924.79, 353,221,008.61 and 166,671,185.23

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Solution

The fourth proportional to 256,019,924.79, 353,221,008.61 and 166,671,185.23 is: 229,949,931.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,019,924.79 : 353,221,008.61 = 166,671,185.23 : x
  2. Step 2: Convert to fraction form
    256,019,924.79/353,221,008.61 = 166,671,185.23/x
  3. Step 3: Cross multiply
    256,019,924.79x = 353,221,008.61 × 166,671,185.23
  4. Step 4: Simplify right side
    256,019,924.79x = 58,871,764,150,565,272
  5. Step 5: Solve for x
    x = 58,871,764,150,565,272/256,019,924.79
  6. Step 6: Final answer
    x = 229,949,931.44

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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.